Table 2 Absolute values and Z-scores for the 2 SF-36 summary scores
SF-36 summary scores | Rating | Z-score | Comparison of Z-score with theoretical zero median (reference population, Wilcoxon’s signed rank test) |
|---|---|---|---|
Median [interquartile range] | Median [interquartile range] | ||
PCS (physical component summary) | 49.8 [42.9–55.3] | −0.377 [−1.194–0.243] | p = 0.020 |
MCS (mental component summary) | 48.4 [39.9–53.49] | −0.01 [−0.790–0.629] | p = 0.850 |