Group | n | One year | Change | |||
---|---|---|---|---|---|---|
Mean (SD) | p value* | Mean (SD) | p value* | |||
*t test for difference in means (adjusted for unequal variance between groups). | ||||||
CV, conduction velocity. | ||||||
Median sensory | ||||||
Amplitude (μv) | CPF | 53 | 32 (12.8) | 0.52 | 2.1 (3.8) | 0.91 |
Referent | 58 | 33 (13.6) | 2.0 (5.2) | |||
Terminal CV (m/s) | CPF | 53 | 52.9 (7.0) | 0.74 | −1.9 (4.2) | 0.93 |
Referent | 58 | 53.3 (6.7) | −1.9 (4.5) | |||
Distal latency (ms) | CPF | 53 | 3.5 (0.5) | 0.69 | 0.2 (0.22) | 0.84 |
Referent | 58 | 3.5 (0.5) | 0.2 (0.21) | |||
Ulnar sensory | ||||||
Amplitude (μv) | CPF | 53 | 30 (12.3) | 0.68 | 3.0 (6.0) | 0.65 |
Referent | 58 | 31 (14.5) | 3.6 (7.1) | |||
Terminal CV (m/s) | CPF | 53 | 55.3 (5.5) | 0.75 | −2.2 (4.4) | 0.71 |
Referent | 58 | 54.9 (5.2) | −2.5 (4.2) | |||
Distal latency (ms) | CPF | 53 | 3.3 (0.3) | 0.97 | 0.1 (0.2) | 0.80 |
Referent | 58 | 3.3 (0.3) | 0.1 (0.2) | |||
Sural sensory | ||||||
Amplitude (μv) | CPF | 53 | 20 (8.2) | 0.20 | 2.1 (6.2) | 0.09 |
Referent | 58 | 18 (6.8) | 0.1 (6.4) | |||
Terminal CV (m/s) | CPF | 53 | 48.6 (4.7) | 0.34 | −1.8 (5.1) | 0.70 |
Referent | 58 | 47.7 (4.7) | −2.2 (4.1) | |||
Distal latency (ms) | CPF | 53 | 3.7 (0.3) | 0.50 | 0.2 (0.3) | 0.82 |
Referent | 58 | 3.7 (0.3) | 0.2 (0.3) | |||
Median motor | ||||||
Amplitude (mv) | CPF | 53 | 10.9 (3.2) | 0.81 | 1.5 (2.7) | 0.08 |
Referent | 58 | 10.7 (3.4) | 0.6 (2.5) | |||
Forearm CV (m/s) | CPF | 53 | 55.5 (3.9) | 0.63 | −1.2 (3.4) | 0.18 |
Referent | 58 | 55.1 (3.6) | −2.0 (3.5) | |||
Distal latency (ms) | CPF | 53 | 3.8 (0.6) | 0.57 | 0.3 (0.3) | >0.99 |
Referent | 58 | 3.7 (0.6) | 0.3 (0.3) | |||
F wave latency (ms) | CPF | 53 | 28.3 (2.1) | 0.92 | 0.5 (0.9) | 0.69 |
Referent | 58 | 28.3 (2.5) | 0.6 (1.4) | |||
Peroneal motor | ||||||
Amplitude (mv) | CPF | 53 | 6.3 (2.7) | 0.83 | −1.0 (2.1) | 0.81 |
Referent | 58 | 6.4 (2.4) | −1.1 (1.7) | |||
Distal latency (ms) | CPF | 52 | 4.9 (0.8) | 0.07 | 0.2 (0.6) | 0.18 |
Referent | 58 | 4.6 (0.6) | 0.1 (0.3) | |||
F wave latency (ms) | CPF | 50 | 49.2 (3.8) | 0.22 | 0.7 (1.9) | 0.18 |
Referent | 58 | 50.3 (5.2) | 1.4 (2.9) |