| Nerve | Normal\abnormal | COPD | Control | X* | P value | |||
---|---|---|---|---|---|---|---|---|---|
 |  |  | No. | % | No. | % |  |  | |
Motor | Median | Normal | 28 | 70 | 28 | 93.3 | 6.84 | 0.033* | |
Abnormal | Â | 12 | 30 | 2 | 6.7 | ||||
Demyelinating | 7 | 17.5 | 2 | 6.7 | |||||
Axonal | 3 | 7.5 | 0 | 0 | |||||
Mixed | 2 | 5 | 0 | 0 | |||||
Ulnar | Normal | 31 | 77.5 | 27 | 90 | 2.9 | 0.41( NS) | ||
Abnormal | Total | 9 | 22.5 | 3 | 10 | ||||
Demyelinating | 6 | 15 | 3 | 10 | |||||
Axonal | 2 | 5 | 0 | 0 | |||||
Mixed | 1 | 2.5 | 0 | 0 | |||||
Radial | Normal | Total | 33 | 82.5 | 28 | 93.3 | 2.31 | 0.31 (NS) | |
Abnormal | Total | 7 | 17.5 | 2 | 6.7 | Â | Â | ||
Demyelinating | 5 | 12.5 | 2 | 6.7 | Â | Â | |||
Axonal | 2 | 5 | 0 | 0 | Â | Â | |||
Mixed | 0 | 0 | 0 | 0 | Â | Â | |||
Common peroneal | Normal | Total | 26 | 65 | 29 | 96.7 | 10.34 | 0.016* | |
Abnormal | Total | 14 | 35 | 1 | 3.3 | ||||
Demyelinating | 9 | 22.5 | 0 | 0 | |||||
Axonal | 4 | 10 | 1 | 3.3 | |||||
Mixed | 1 | 2.5 | 0 | 0 | |||||
Posterior tibial | Normal | Total | 33 | 82.5 | 30 | 100 | 5.83 | 0.12 (NS) | |
Abnormal | Total | 7 | 17.5 | 0 | 0 | ||||
Demyelinating | 5 | 12.5 | 0 | 0 | |||||
Axonal | 1 | 2.5 | 0 | 0 | |||||
Mixed | 1 | 2.5 | 0 | 0 | |||||
Sensory | Median | Normal | 25 | 62.5 | 24 | 80 | 2.5 | 0.11 (NS) | |
Abnormal | 15 | 37.5 | 6 | 20 | |||||
Ulnar | Normal | 29 | 72.5 | 26 | 86.7 | 2.04 | 0.15 (NS) | ||
Abnormal | 11 | 27.5 | 4 | 13.3 | |||||
Radial | Normal | 31 | 77.5 | 29 | 96.7 | 5.14 | 0.023* | ||
Abnormal | 9 | 22.5 | 1 | 3.3 | |||||
Sural | Normal | 23 | 57.5 | 26 | 86.7 | 6.94 | 0.008 | ||
Abnormal | 17 | 42.5 | 4 | 13.3 |