TABLE II.
SF-36 Subscale and Component Scores
| Variable | Mean | SD | Min | Max | Lower 95% for mean | Upper 95% for mean | z-Score | P-value |
|---|---|---|---|---|---|---|---|---|
| PF_NBS | 46.0 | 11.1 | 15.2 | 57.1 | 43.8 | 48.1 | −3.676 | <0.001 |
| RP_NBS | 46.6 | 12.0 | 28.0 | 56.2 | 44.2 | 49.0 | −2.844 | 0.004 |
| BP_NBS | 52.2 | 10.6 | 28.9 | 62.8 | 50.1 | 54.3 | 2.084 | 0.037 |
| GH_NBS | 49.1 | 10.8 | 24.2 | 64.0 | 46.9 | 51.2 | −0.877 | 0.380 |
| VT_NBS | 52.0 | 10.9 | 23.0 | 70.4 | 49.8 | 54.1 | 1.836 | 0.066 |
| SF_NBS | 50.8 | 9.5 | 13.7 | 57.1 | 48.9 | 52.6 | 0.801 | 0.423 |
| RE_NBS | 50.1 | 10.0 | 23.7 | 55.3 | 48.1 | 52.0 | 0.074 | 0.941 |
| MH_NBS | 53.6 | 9.0 | 25.5 | 64.1 | 51.8 | 55.4 | 4.002 | <0.001 |
| PCS | 46.7 | 11.2 | 19.8 | 62.5 | 44.6 | 48.9 | −2.943 | 0.003 |
| MCS | 53.6 | 8.7 | 25.9 | 68.9 | 51.9 | 55.3 | 4.208 | <0.001 |
NBS, norm-based score; PF, physical functioning; RP, role-physical; BP, bodily pain; GH, general health; VT, vitality; SF, social functioning; RE, role-emotional; MH, mental health; PCS, physical component score; MCS, mental component score.
P-values represent comparison between the study sample and population norms.