TABLE 2.

MEDICAL OUTCOMES STUDY 36-ITEM SHORT-FORM HEALTH SURVEY SCORES AT BASELINE AND AT 1-YR FOLLOW-UP^*

	Score
SF-36 Subscale	Baseline	1 yr	p Value†
Bodily pain	−1.0 ± 1.3	−0.2 ± 1.1	0.140
General health perceptions	−1.7 ± 0.6	−1.2 ± 1.0	0.198
Mental health	−0.5 ± 1.6	+0.1 ± 1.5	0.120
Physical functioning	−1.2 ± 1.3	−1.0 ± 1.4	0.572
Role—emotional	−0.7 ± 1.3	+0.3 ± 1.0	0.052
Role—physical	−1.7 ± 0.8	−0.6 ± 1.2	0.006
Social functioning	−1.1 ± 1.5	−0.2 ± 1.3	0.022
Vitality	−1.3 ± 1.1	−0.6 ± 1.1	0.019

Definition of abbreviation: SF-36 = Short-Form 36.

SF-36 subscale scores are analyzed as z scores calculated on the basis of norms from a U.S. general population sample (38). In all cases, data are presented as means ± SD.

^*n = 10.

^†Paired t test.