Table 2.

Score distribution and differences in SF-36 scales between 2001 and 2009

SF-36 scales	2001		2009		2009–2001		P value
	n	Mean ± SD	n	Mean ± SD	Mean difference	95% CI
Physical functioning	43	87.3 ± 17.0	43	86.1 ± 16.6	−1.2	−5.7, +3.4	0.611
Role-physical	43	83.1 ± 24.8	43	79.1 ± 31.8	−4.1	−13.8, +5.7	0.406
Bodily pain	43	69.7 ± 26.6	43	72.7 ± 25.9	+2.9	−6.3, +12.1	0.524
General health	42	50.8 ± 24.5	42	47.2 ± 23.2	−3.6	−10.0, +2.9	0.268
Vitality	42	64.4 ± 17.6	42	65.8 ± 14.8	+1.4	−3.7, +6.5	0.585
Social functioning	43	77.9 ± 23.4	43	81.7 ± 17.8	+3.8	−3.8, +11.4	0.323
Role-emotional	42	74.6 ± 37.4	42	78.6 ± 33.6	+4.0	−8.4, +16.4	0.522
Mental health	42	69.2 ± 18.8	42	74.2 ± 17.4	+5.0	−1.0, +11.0	0.098

Notes: Data are presented as the mean score for the population of patients with thalassemia in 2001 and 2009 and are not adjusted for gender or age. For each 0–100 scale, higher scores indicate better health.

Abbreviations: CI, confidence interval; SD, standard deviation; SF-36, Short-Form 36.