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Table 3 Change in endpoints

From: Quality of life outcomes in patients undergoing knee replacement surgery: longitudinal findings from the QPro-Gin study

 

Baseline

Follow-up: 3 Months

Change: Follow-up - Baseline

P

SF 12-PCS, n, mean ± SD

132

35.6 ± 9

39.7 ± 8.7

4.2 ± 11.3

< 0.001

SF 12-MCS, n, mean ± SD,

132

48.1 ± 11.1

50 ± 10.7

2.0 ± 11.3

0.044

WOMAC–Index, n, mean ± SD

132

45.7 ± 16

22.5 ± 14.5

−23.2 ± 17.6

< 0.001

  1. Abbreviation: SD standard deviation, CI confidence intervals, SF 12 Short-Form General Health Survey, PCS physical component scores, MCS mental component scores, WOMAC Western Ontario and McMaster Universities Arthritis Index, P p-value for paired t-test
  2. SF 12 ranges from 0 to 100, with 0 indicating worst quality of life
  3. WOMAC-Index ranges from 0 to 100, with 100 indicating more limitation (pain, stiffness and physical function)
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BMC Musculoskeletal Disorders

ISSN: 1471-2474

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