Table 2.
Association of peripheral nerve cross-sectional area measurements at different locations with BMI category in cases (n = 100)
| SN | Nerve/Location | BMI category (kg/m²) | Significance of difference (ANOVA) | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Normal (18.5–24.9) (n = 46)* | Overweight (25.0–29.9) (n = 36) | Obese (>30) (n = 18) | |||||||
| Mean | SD | Mean | SD | Mean | SD | ‘F’ | ‘p’ | ||
| Median nerve | |||||||||
| 1 | Proximal | 7.09 | 1.8 | 7.75 | 1.59 | 8.5 | 2.73 | 3.69 | 0.029 |
| 2 | Distal | 8.63 | 2.43 | 9.17 | 2.42 | 10.22 | 3.56 | 2.328 | 0.103 |
| Ulnar nerve | |||||||||
| 1 | Proximal | 5.41 | 1.54 | 6 | 1.47 | 6.56 | 1.54 | 4.016 | 0.021 |
| 2 | Distal | 6.65 | 2.33 | 7.36 | 3.2 | 7.78 | 3.15 | 1.253 | 0.29 |
| Common peroneal nerve | |||||||||
| 1 | Proximal | 8.85 | 3.34 | 11.67 | 3.94 | 10.89 | 3.89 | 6.334 | 0.003 |
| 2 | Distal | 10 | 3.66 | 12.19 | 4.33 | 11.94 | 4.32 | 3.433 | 0.036 |
| Tibial nerve | |||||||||
| 1 | Proximal | 11.57 | 3.4 | 13.92 | 4.14 | 15.5 | 5.79 | 6.771 | 0.002 |
| 2 | Distal | 11.76 | 4.05 | 15 | 4.76 | 15.56 | 6.14 | 6.59 | 0.002 |
| Sural nerve | |||||||||
| 1 | At lower third leg | 1.31 | 0.56 | 1.53 | 0.65 | 1.56 | 0.86 | 1.418 | 0.247 |
BMI, body mass index.
a
Includes one patient (n = 2) with BMI 17.88 kg/m2