Table 2.

SF-36 scores and internal consistency

SF-36 subscales	No of items	Mean ± SD	Median [IQR]	Ceiling %	Floor %	Missing %	Cronbach α
Physical Functioning	10	69.28 ± 27.28	80 [38]	6	3	1	.924
Role Limitations Due To Physical Problems	4	49.89 ± 42.95	50 [100]	36	26	1	.873
Role Limitations Due To Emotional Problems	3	61.48 ± 43.50	100 [100]	51	22	1	.862
Vitality	4	53.47 ± 21.37	55 [30]	1	0	4	.728
Emotional Well-Being	5	63.49 ± 19.57	64 [28]	0	0	4	.766
Social Functioning	2	71.61 ± 25.69	75 [50]	27	0	3	.527
Pain	2	57.09 ± 31.29	52 [53]	23	2	3	.836
General Health	5	48.94 ± 20.06	50 [27]	0	1	4	.693

IQR interquartile range