Table 2.

Adjusted associations between peroneal nerve function and functional performance in peripheral arterial disease (n=413).^*

	Functional performance measure
	6 minute walk distance (feet)	Usual 4m walk velocity (meters/second)	Fast 4m walk velocity (meters/second)	SPPB^† (0–12 scale, 12=best)

PAD persons without diabetes (n=283)

	Peroneal nerve conduction velocity

1^st quartile	989.2	0.80	1.04	8.77
2^nd quartile	1200.3^§	0.89^§	1.19^§	9.83^§
3^rd quartile	1192.1^§	0.91^§	1.23^§	10.74^§
4^th quartile	1210.8^§	0.89^§	1.24^§	10.38^§
P-trend	<0.001	0.017	<0.001	<0.001
Peroneal amplitude
1^st quartile	1010	0.81	1.05	9.06
2^nd quartile	1231.5^§	0.90^§	1.22^§	10.18^§
3^rd quartile	1187.2^§	0.88^‡	1.19^§	9.92^‡
4^th quartile	1182.9^§	0.91^§	1.24^§	10.53^§
P-trend	0.171	0.028	0.003	0.011
1^st quartile	866.4	0.74	1.00	6.77
2^nd quartile	1092.1^§	0.82	1.11	9.29^§
3^rd quartile	1065.8^‡	0.83	1.08	8.95^§
4^th quartile	1082.5^‡	0.83	1.13	9.29^§
P-trend	0.008	0.059	0.047	<0.001
Peroneal amplitude
1st quartile	881.5	0.76	1.01	7.28
2nd quartile	976.5	0.78	1.05	7.96
3rd quartile	1066.5^‡	0.86	1.12	9.43^§
4th quartile	1166.5^§	0.83	1.13	9.43^§
P-trend	<0.001	0.103	0.053	0.005

Adjusted for age, sex, race, ankle-brachial index, body mass index, smoking, alcohol consumption, leg symptoms, comorbidities, physical activity, leg revascularization, and the study cohort.

^†

SPPB=short performance physical battery.

^‡

P<0.05 for pairwise comparison to reference group.

^§

P<0.01 for pairwise comparison to reference group.