Table 2.

Stratification of the SF-36 domains and component summary scores.

SF-36 domains	Mean ± SD	Min–max
Physical Functioning (PF), 10 items	67.5 ± 21.8	0–100
General Health (GH), 5 items	37.7 ± 20.3	0–100
Mental Health (MH), 5 items	67.3 ± 16.3	24–100
Role limitations due to Physical problems (RP), 4 items	49.9 ± 39.2	0–100
Vitality (VT), 4 items	53.7 ± 15.2	20–100
Role limitations due to Emotional problems (RE), 3 items	56.3 ± 42.6	0–100
Bodily Pain (BP), 2 items	67.4 ± 24.0	20–100
Social Functioning (SF), 2 items	66.1 ± 21.8	12.5–100
Physical component summary score (PCS)	40.6 ± 8.9	16.1–61.4
Mental component summary score (MCS)	45.3 ± 9.8	15.8–67.5

SF-36 domain range scores: 0–100 (best HRQoL). Component Summary scores were normalized to an average of 50.