Table II.

Exercise performance and self-reported health of subjects with stable angina and controls. Values are means (SD).

Variables	Control Group (n = 441)	Stable Angina Group (n = 115)	Unadjusted P	Adjusted P *
6-Min Walk Distance (m)	485 (100)	449 (96)	0.003	0.037
WIQ Distance Score (%)	76 (34)	57 (38)	< 0.001	< 0.001
WIQ Speed Score (%)	65 (32)	48 (32)	< 0.001	< 0.001
WIQ Stair Climbing Score (%)	67 (35)	48 (36)	< 0.001	< 0.001
SPPB Score (points)	10.5 (1.2)	10.1 (1.2)	0.004	0.017
SPPB Chair (points)	2.7 (1.1)	2.2 (1.1)	< 0.001	0.002
SPPB Stand (points)	3.8 (0.5)	3.8 (0.6)	0.714	0.890
SPPB Walk (points)	4.0 (0.2)	3.9 (0.3)	0.040	0.109

WIQ = walking impairment questionnaire, SPPB = short physical performance battery.

^*Adjusted for age, race, current smoking, diabetes, hypertension, and obesity.