| Symptoms | Degree* | Sensitivity to cold group (n = 146) | Non-sensitivity to cold group (n = 123) | P-value | ||
| Increase in appetite | no symptoms | 40 | (27.4) | 37 | (30.3) | 0.656 |
| mild | 84 | (57.5) | 71 | (58.2) | ||
| severe | 22 | (15.1) | 14 | (11.5) | ||
| missing | 0 | 1 | ||||
| Irritation | no symptoms | 31 | (21.2) | 25 | (20.5) | 0.131 |
| mild | 87 | (59.6) | 84 | (68.9) | ||
| severe | 28 | (19.2) | 13 | (10.7) | ||
| missing | 0 | 1 | ||||