Want Dr. Calendine’s articles to stand out in your Google and AI search results? Add him as a preferred source (one tap).
Why didn’t I do this sooner?
That sentence is the single most common thing I hear after joint replacement.
Not that it was rough. Not that they wish they had held out longer. Sooner.
I’m Dr. Cory Calendine, a board-certified orthopedic surgeon in Franklin, Tennessee, and I perform more than 700 hip and knee replacements a year. Here is what patients almost never hear: delaying joint replacement is far more common than rushing into it.
So let me be fair about why people wait, honest about what delaying joint replacement costs, and clear about why that famous sentence is still not a reason to hurry.
Why do patients say “why didn’t I do this sooner”?
Patients say it because the pain they had learned to live with is finally gone, and only then can they see how small their life had become.
The walk around the neighborhood came back. The golf course came back. Sleeping through the night came back.
None of it disappeared on a particular Tuesday. It leaked away slowly, one skipped invitation at a time, and slow losses are almost impossible to feel while they happen.
There is a second reason that sentence exists: the operation works. Not perfectly, and not for everyone. But for the right patient at the right time, knee replacement and hip replacement are among the most reliable operations in medicine.
Why people put off joint replacement
Let me be fair here, because the reasons are good ones.
A hip or knee replacement is a major operation. It interrupts your work, your family, and every plan on your calendar. There is real pain afterward, and people are right to think hard about that.
There is never a convenient season
There is always a trip coming up. A wedding. A busy stretch at work.
A grandchild is being born, or a parent needs help, or the roof needs replacing first.
Given a choice between now and later, the calendar votes for later every single time. That is not weakness. That is just how a full life works.
The unknown is bigger than the pain
In my experience, the biggest reason people wait is simpler than any of that. It is the unknown.
You have never done this before. You do not know what is on the other side of it. And the pain you have today, however bad, is at least familiar.
Familiar pain beats unfamiliar fear. So people wait, sometimes for years.
The real cost of delaying joint replacement
The cost of delaying joint replacement is not usually a ruined result. It is a smaller life while you wait, and a steeper climb once you decide.
The quality of life you do not get back
A 2024 systematic review pooled 89,996 hip and knee replacement patients and measured what happens during the wait. Joint function and quality of life declined measurably with each additional day spent waiting, and the authors estimated a meaningful drop shows up within about six months.
Those months are not returned to you later. The operation can give you a working joint. It cannot give you back the summer you spent on the couch.
Weaker and stiffer going in, harder recovery coming out
Here is the part I want every patient to hear. How you arrive at surgery shapes how you leave it.
A knee that barely bends going into the operating room can fight you on the way out. Muscles that have spent two years shrinking take longer to wake up.
This is not just clinic folklore. In one study of patients having knee replacement, preoperative quadriceps strength was the strongest predictor of how well they walked and climbed stairs a full year after surgery. A larger study of patient-reported outcomes found that people who came into surgery with worse pain and worse function were more likely to have a worse result at one and two years.
I say it to patients this way: the stronger you come to surgery, the better you will do. That is one of the few parts of this you control.
What waiting does not automatically cost you
I want to be careful here, because a lot of writing on this topic overstates it.
Delaying joint replacement does not mean your surgery will fail. Most people who waited too long still do very well. That same 2024 review found the clearest damage happens before the operation, in the months you spend hurting, rather than in the final result.
So no, you have not ruined anything by taking your time. You have simply spent something you cannot get back.
How often is joint replacement actually delayed?
More often than most people guess, and far more often than the opposite mistake.
Delaying joint replacement is more common than rushing it
Researchers followed 8,002 adults with knee arthritis or at risk for it, applying validated criteria to decide when a knee had become appropriate for replacement.
Of the knees that reached that point, 91 percent were still unreplaced more than two years later. Of those unreplaced knees, 42 percent belonged to patients with severe symptoms. Meanwhile, 26 percent of the knee replacements that were actually performed in that group looked premature.
Both mistakes are real. But one of them is roughly three times as common.
Two honest caveats the headlines usually drop. That study looked at knees, not hips, though the waiting research covers both. And “potentially appropriate” is not the same as “should have had surgery.”
Some of those people had good reasons to wait, and some were making a call I would have supported. The number tells you which direction the drift runs. It does not tell you what to do.
Does this mean you should hurry into surgery?
No. And I follow that sentence with this warning every time I say it out loud.
“Why didn’t I do this sooner” is not medical advice. It is what people say in the relief of a good outcome, and it is not a reason for you to move faster than your own situation warrants.
Joint replacement should be the last resort, after nonsurgical care has had a real chance to work. That means activity changes, weight management, targeted strengthening, anti-inflammatory medication, bracing, and injections when appropriate. I walk through those options in my guide to treating hip and knee arthritis without surgery.
Surgery too early carries its own cost
Operating on a mildly arthritic joint is its own mistake, and it is the one I spend more clinic time preventing.
Arthritis causes joint pain, but so do tendonitis, bursitis, a meniscus tear, and even an arthritic hip sending pain down to the knee. Replace the joint and whatever else was hurting is still there.
I cover that side of the decision in detail in who should not get a knee replacement yet. The short version: not yet is a real answer, and it is not the same as never.
How do you know when it is actually time?
When considering joint replacement, ask yourself this one question. If the pain and the limitation were taken away today, how would your life change?
If the answer is “not much,” keep doing what you are doing. Your joint is not costing you enough yet to justify a major operation.
If the answer stops you, and you find yourself listing things, that is worth a conversation. Not a surgery date. A conversation.
That is the whole test. It is not an X-ray grade and it is not an age. It is how much of your life the joint is taking.
The specialty societies land in a similar place. The 2023 timing guideline from the American College of Rheumatology and the American Association of Hip and Knee Surgeons advises against delaying joint replacement further once nonoperative treatment has stopped working for moderate to severe arthritis. The American Academy of Orthopaedic Surgeons also publishes a plain-language patient overview worth reading before your appointment.
What I would tell you if you were sitting in my clinic
Do not rush in. Do not drift either.
Get evaluated when the pain starts making your decisions for you, and try the nonsurgical options honestly. If the day comes that they stop working, say so.
Do not spend two more years being polite about it. The rest of the readiness checklist is in when it is time for a knee replacement.
And if you do have surgery, arrive as strong as you can. Whatever strength and motion you bring into the operating room, you get to keep. My preparation guides cover that for knee replacement and hip replacement.
If you want a straight answer about your hip or your knee, I see patients from Franklin, Nashville, Brentwood, Columbia, and across Middle Tennessee at the Bone and Joint Institute of Tennessee, 3000 Edward Curd Lane, Franklin, TN 37067. Call (615) 791-2630 or schedule a consultation online. No referral required.
Watch: The Real Cost of Waiting on Joint Replacement
Dr. Calendine reviews what changes inside a painful hip or knee while surgery is postponed, how those changes affect surgical planning, and what patients should weigh when deciding on timing. Runtime is 3 minutes, 31 seconds.
Disclosure and medical disclaimer: This article reflects Dr. Calendine’s independent clinical perspective and is for education only. It is not a substitute for advice from your own surgeon. Individual results vary. In a medical emergency, call 911.
References
- Ghomrawi HMK, Mushlin AI, Kang R, et al. Examining timeliness of total knee replacement among patients with knee osteoarthritis in the U.S.: results from the OAI and MOST longitudinal cohorts. J Bone Joint Surg Am. 2020;102(6):468-476. PMID 31934894.
- Cooper GM, Bayram JM, Clement ND. The functional and psychological impact of delayed hip and knee arthroplasty: a systematic review and meta-analysis of 89,996 patients. Sci Rep. 2024;14:8032. PMID 38580681.
- Mizner RL, Petterson SC, Stevens JE, Axe MJ, Snyder-Mackler L. Preoperative quadriceps strength predicts functional ability one year after total knee arthroplasty. J Rheumatol. 2005;32(8):1533-1539. PMID 16078331.
- Lingard EA, Katz JN, Wright EA, Sledge CB. Predicting the outcome of total knee arthroplasty. J Bone Joint Surg Am. 2004;86(10):2179-2186. PMID 15466726.
- Hannon CP, Goodman SM, Austin MS, et al. 2023 American College of Rheumatology and American Association of Hip and Knee Surgeons clinical practice guideline for the optimal timing of elective hip or knee arthroplasty. J Arthroplasty. 2023;38(11):2193-2201. PMID 37778918.
