Table 2 Baseline patient expectations, expectation fulfilment and outcomes at 6 months and 12 months post knee arthroplasty.

From: Expectation fulfillment is associated with good outcomes and patient satisfaction after knee arthroplasty: a prospective study in a multi-ethnic Asian population

 

Baseline (n = 1136)

6-months post KA (n = 1103)

12-months post KA (n = 1089)

HSS-KRES (0–100)

73.4 (12.9)

–

–

Fulfilment of expectations (0–100)

–

64.1 (26.3)

71.6 (26.7)

WOMAC pain* (0–20)

6.8 (3.3)

1.4 (2.2)

0.9 (2.1)

Change in WOMAC pain from baseline*

–

− 5.4 (3.4)

− 5.9 (3.5)

WOMAC function* (0–68)

19.4 (10.6)

5.1 (6.5)

3.6 (6.6)

Change in WOMAC function from baseline*

–

− 14.1 (10.5)

− 15.5 (11.0)

Satisfaction with surgery:

Overall (25–100)

–

87.5 (16.1)

90.7 (15.4)

Pain relief (25–100)

–

90.3 (15.5)

92.7 (14.4)

Ability to perform housework (25–100)

–

90.7 (14.3)

93.6 (13.1)

Ability to perform recreational activities (25–100)

–

90.4 (15.0)

92.9 (14.2)

SAPS (25–100)

–

89.7 (13.7)

92.5 (12.9)

  1. *Original ordinal scale is shown.
  2. All figures are given in mean (SD) unless otherwise specified.
  3. Abbreviations: HSS-KRES, Hospital for Special Surgery Knee Replacement Expectations Survey; SAPS, Self-Administered Patient Satisfaction Scale; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.
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