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Table 3 Questionnaires

From: Functions, disabilities and perceived health in the first year after total knee arthroplasty; a prospective cohort study

  Baseline 3 months 12 months
  sig.   sig.
Short Form - 12; Physical (sd) 33.5 (7.9) 38.8 (7.7) 0.000 39.3 (9.2) 1.000
Short Form - 12; Mental (sd) 44.7 (10.6) 45.0 (9.6) 1.000 46.4 (9.2) 0.164
WOMAC Pain (sd) 10.6 (4.1) 16.0 (4.1) 0.000 17.6 (4.4) 0.000
WOMAC Stifness (sd) 4.1 (1.9) 4.9 (1.9) 0.000 5.8 (1.9) 0.000
WOMAC Function (sd) 39.0 (12.3) 54.4 (13.0) 0.000 58.2 (12.9) 0.000
WOMAC Total (sd) 54.1 (16.2) 75.4 (17.6) 0.000 81.7 (18.0) 0.000
PSFS 1 (sd) 1.9 (2.0) 2.8 (3.4) 0.000 6.6 (3.7) 0.000
PSFS 2 (sd) 2.2 (2.1) 4.8 (3.6) 0.000 6.8 (3.4) 0.000
PSFS 3 (sd) 2.4 (2.4) 4.9 (3.6) 0.000 6.9 (3.4) 0.000
Knee Society Score; Knee (sd) 52.5 (16.4) 76.1 (17.3) 0.000 84.1 (17.5) 0.000
Knee Society Score; Function (sd) 57.2 (13.1) 69.4 (15.4) 0.000 74.8 (18.5) 0.000
  1. N number, sd standard deviation, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, PSFS Patient Specific Functional Complaint, Sig p-value
  2. The scores on the questionnaires are given at baseline and 3 and 12 months after surgery. Significance of progression from baseline to 3 months and from 3 till 12 months