Table 5 Relation between Guillain–Barré syndrome subtype and nerve cross-sectional area at presentation among patients (n = 37)
Cross-sectional area (mm2) | Guillain–Barré syndrome subtype | Test of sig. | p | ||
|---|---|---|---|---|---|
Demyelinating (n = 22) | Axonal (n = 4) | Mixed (n = 11) | |||
Mean ± SD Median (Min.–Max.) | Mean ± SD Median (Min.–Max.) | Mean ± SD Median (Min.–Max.) | |||
Median nerve | |||||
Wrist | 5.9 ± 0.9 6.0 (4.5–8.5) | 6.1 ± 1.1 6.1 (4.7–7.5) | 5.9 ± 0.8 5.9 (4.9–7.5) | H = 0.306 | 0.858 |
Forearm | 8.2 ± 1.0 8.0 (7.0–10.7) | 7.6 ± 0.8 7.6 (6.9–8.5) | 7.8 ± 0.8 7.9 (6.7–9.8) | F = 1.063 | 0.357 |
Upper arm | 8.8 ± 0.5 9.0 (7.9–9.8) | 8.9 ± 0.1 8.9 (8.7–9.0) | 8.9 ± 0.7 9.0 (8.0–9.8) | H = 0.301 | 0.860 |
Ulnar nerve | |||||
Wrist | 5.4 ± 1.1 5.5 (3.8–7.8) | 4.8 ± 0.5 4.6 (4.5–5.6) | 5.1 ± 0.8 4.9 (3.9–6.8) | H = 1.439 | 0.487 |
Upper arm | 7.1 ± 1.9 6.1 (5.0–10.6) | 5.7 ± 0.6 5.9 (4.9–6.2) | 7.4 ± 2.3 6.2 (5.0–11.0) | H = 2.495 | 0.287 |
Tibial nerve at popliteal fossa | 28.14 ± 4.1 26.4 (20.9–33.9) | 25.07 ± 2.59 24.15 (23–28.9) | 26.8 ± 4.7 23.9 (21.9–33.6) | F = 1.07 | 0.353 |
Sural nerve at calf | 2.31 ± 0.36 2.35 (1.8–3.2) | 2.27 ± 0.37 2.3 (1.8–2.7) | 2.37 ± 0.42 2.3 (1.8–3) | F = 0.128 | 0.88 |