Table 3.

Mean SF-36 score differences between diabetic patients and non-diabetic patients

	Baseline N = 587	6 months N = 480	1 year N = 491
Physical functioning	-16.7 (-23.1,-10.3)	-13.6 (-21.0,-6.2)	-14.3 (-20.7,-7.8)
Role-physical	-13.1 (-22.7,-3.5)	-10.3 (-20.7,0.6)	-14.0 (-25.9,-3.2)
Bodily pain	-7.2 (-13.5,-0.9)	-5.2 (-12.2,1.7)	-4.9 (-11.3,1.5)
General health	-11.8 (-16.8,-6.7)	-7.2 (-12.9,-1.5)	-9.3 (-14.9,-3.6)
Vitality	-2.5 (-7.5,2.6)	-6.0 (-11.7,-0.4)	-2.7 (-7.9,2.5)
Social functioning	-7.3 (-13.1,-1.6)	-7.7 (-14.9,-0.5)	-6.4 (-12.3,-0.4)
Role-emotional	-4.9 (-14.4,4.6)	-8.8 (-19.6,-2.1)	-6.1 (-16.6,4.4)
Mental health	0.6 (-4.1,5.3)	-0.4 (-5.2,4.4)	-2.5 (-8.1,3.1)
Physical component summary (PCS)	-6.0 (-8.4,-3.6)	-4.6 (-7.5,-1.7)	-5.3 (-7.9,-2.7)
Mental component summary (MCS)	0.9 (-1.7,3.5)	-1.0 (-3.8,1.8)	-0.3 (-3.2,2.6)

Differences are given as the diabetic patient scores minus the non-diabetic patient scores with the 95% confidence intervals in parentheses.

Differences are considered to be clinically significant when the confidence interval laid ±5 units from zero.