Table 3.
Variable |
0.05 ms |
0.1 |
0.3 ms |
---|---|---|---|
(n = 10) | (n = 11) | (n = 10) | |
Max CMAP (mV) |
10.9 (4.7–12.9) |
9.5 (6.9–13.5) |
10.9 (4.7–12.9) |
S5 (mA) |
13.4* (9.4–29.5) |
8.5* (6.4–16.0) |
4.4* (2.8–10.0) |
S50 (mA) |
16.1* (11.5–34.7) |
10.6* (8.2–20.9) |
5.2* (3.5–12.4) |
S95 (mA) |
18.8* (14.2–39.6) |
13.3* (9.61–24.5) |
6.3* (4.6–14.9) |
Range (mA) |
5.6* (3.8–10.1) |
5.0* (2.7–8.9) |
2.0* (1.6–4.8) |
Relative Range |
0.46* (0.27–0.61) |
0.44* (0.35–0.88) |
0.51* (0.34–0.70) |
Step Number |
2 (0.8) |
2 (0–7) |
1.5 (0–5) |
Step percentage (% ) |
1.9 (0–5.5) |
4.9 (0–15.9) |
2.9 (0–10) |
VAS | 1.2 (0.0–3.2) |
1.0 (0.0–1.8) |
1.0 (2.7–2.4) |
The excitability parameters all differed significantly (p < 0.01) between all stimulus durations settings (indicated with *). For example, S5 with 0.05 ms differs significantly from 0.1 ms and from 0.3 ms.