Table 2.
Year 4 Peripheral Nerve Function by LDCW Eligibility/Completion Group in the Health, Aging and Body Composition study 2000/01 Clinic Visit
| Peripheral Nerve Function Measure |
Ineligible for LDCW n=345 |
Did Not Finish LDCW n=407 |
Completed LDCW (400m) in >7 Minutes n=113 |
Completed LDCW (400m) in ≤7 minutes n=1528 |
P for trend |
|---|---|---|---|---|---|
| Motor Nerve Function | |||||
| Motor amplitude, mV, Mean ± SD | 3.0 ± 2.1 | 3.1 ± 2.0 | 3.1 ± 2.0 | 3.5 ± 2.0 | <.001 |
| Poor amplitude, N (%) | 47 (19.9) | 41 (13.8) | 12 (15.0) | 110 (8.8) | <.001 |
| Sensory Nerve Function | |||||
| Conduction velocity, m/sec | 43.2 ± 5.6 | 43.3 ± 5.2 | 44.8 ± 5.7 | 43.7 ± 5.4 | .33 |
| Poor conduction velocity | 52 (21.1) | 63 (22.7) | 15 (20.3) | 262 (21.9) | .37 |
| Vibration threshold, microns | 56.0 ± 39.5 | 52.5 ± 35.4 | 55.2 ± 35.8 | 50.1 ± 34.7 | .03 |
| Poor vibration threshold | 32 (9.9) | 19 (4.8) | 10 (9.2) | 74 (5.0) | .008 |
| 1.4 monofilament insensitivity | 127 (38.3) | 35 (36.7) | 84 (42.7) | 23 (36.2) | <.001 |
| 10-g monofilament insensitivity | 43 (13.0) | 41 (10.3) | 16 (14.6) | 107 (7.1) | |
| Symptoms of Peripheral Neuropathy | |||||
| One symptom | 105 (31.0) | 125 (31.0) | 34 (30.1) | 379 (24.9) | <.001 |
| Two or More Symptoms | 65 (19.2) | 46 (11.4) | 7 (6.2) | 120 (7.9) |