Table 2.
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 | ||||
| ||||
1st quartile | 989.2 | 0.80 | 1.04 | 8.77 |
2nd quartile | 1200.3§ | 0.89§ | 1.19§ | 9.83§ |
3rd quartile | 1192.1§ | 0.91§ | 1.23§ | 10.74§ |
4th quartile | 1210.8§ | 0.89§ | 1.24§ | 10.38§ |
P-trend | <0.001 | 0.017 | <0.001 | <0.001 |
Peroneal amplitude | ||||
1st quartile | 1010 | 0.81 | 1.05 | 9.06 |
2nd quartile | 1231.5§ | 0.90§ | 1.22§ | 10.18§ |
3rd quartile | 1187.2§ | 0.88‡ | 1.19§ | 9.92‡ |
4th quartile | 1182.9§ | 0.91§ | 1.24§ | 10.53§ |
P-trend | 0.171 | 0.028 | 0.003 | 0.011 |
1st quartile | 866.4 | 0.74 | 1.00 | 6.77 |
2nd quartile | 1092.1§ | 0.82 | 1.11 | 9.29§ |
3rd quartile | 1065.8‡ | 0.83 | 1.08 | 8.95§ |
4th 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.