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Table 7 Uncorrected scores of WOMAC, KSS and VAS pain in total knee replacementb

From: Patient-reported health outcomes after total hip and knee surgery in a Dutch University Hospital Setting: results of twenty years clinical registry

  WOMAC KSS function score VAS pain
   Response   Response   Response
  Score (SD) N %a Score (SD) N %a Score (SD) N %a
Preoperative 52.5 (16.3) 385 46 42.0 (22.1) 435 54 64.2 (21.9) 409 51
3 months 24.6 (16.2) 454 57 57.2 (26.3) 486 60 26.0 (23.5) 485 61
6 months 21.9 (16.6) 395 49 64.7 (27.0) 424 53 21.3 (23.8) 422 53
12 months 21.5 (18.2) 450 56 67.0 (26.4) 479 60 19.1 (23.4) 473 59
Av. Responseb    52    57    56
  1. aBased on n = 799 surgical procedures
  2. bAverage response rates per measurement point. All patients had at least one measurement point at either pre-surgery or at one of the post-surgery follow-up measurements. The distribution of the number of 1, 2 and ≥3 measurement points was 19%, 30.5%, and 50.5% respectively