Table 6.
Outcome measure | Mean score (SD) | Range | Possible range |
---|---|---|---|
VAS pain | 1.95 (2.33) | 0–7 | 0 (none)–10 (severe) |
VAS stiffness | 3.31 (3.04) | 0–8 | 0 (none)–10 (severe) |
HSS | |||
Knee score | 81 | 50–95 | 0 (poor)–100 (excellent) |
Pain subscore | 29 | 25–30 | 10 (severe)–50 (none) |
Function subscore | 54 | 26–73 | 0 (poor)–100 (excellent) |
EQ-5D | |||
Health state score | 0.52 (0.23) | 0.02–0.74 | 0 (poor)–1.0 (excellent) |
VAS score | 73 (15) | 40–95 | 0 (poor)–100 (excellent) |
WOMAC | (normalized) | ||
Total score | 66 | 31–96 | 0 (poor)–100 (excellent) |
Pain subscore | 80 | 30–100 | 0 (poor)–100 (excellent) |
Stiffness subscore | 72 | 38–100 | 0 (poor)–100 (excellent) |
Physical function | 61 | 29–96 | 0 (poor)–100 (excellent) |
Meaning of Illness Questionnaire | |||
Factor 1 (impact) | 2.6 (1.4) | 0–4 | 0 (high)–6 (low) |
Factor 2 (stress and attitude of harm) | 1.3 (1.1) | 0–4 | 0 (high)–6 (none) |
Factor 3 (degree of stress and change in commitments) | 3.0 (1.4) | 0–5.2 | 0 (negative)–6 (positive) |
Factor 4 (challenge, positive attitude, motivation, and hope) | 4.1 (1.0) | 2.8–5.6 | 0 (poor)–6 (hopeful) |
SD = standard deviation; VAS = visual analog scale; HSS = Hospital for Special Surgery; EQ-5D = EuroQoL in five dimensions.