Table 1. Summary of the patients enrolled in this study.
| Patient no. | Sex/age (yr) | Diagnosis | Injection site | NRS score for control site | NRS score for cooling site | Reduction of NRS score | Adverse event |
|---|---|---|---|---|---|---|---|
| 1 | M/37 | Vitiligo | Finger | 10 | 5 | 5 | None |
| 2 | M/66 | Nail dystrophy | Proximal nailfold | 7 | 4 | 3 | None |
| 3 | F/71 | Nail dystrophy | Proximal nailfold | 10 | 6 | 4 | None |
| 4 | F/65 | Vitiligo | Dorsum of hand | 8 | 4 | 4 | None |
| 5 | F/57 | Nail dystrophy | Proximal nailfold | 5 | 3 | 2 | None |
| 6 | F/53 | Vitiligo | Dorsum of hand | 9 | 6 | 3 | None |
| 7 | M/61 | Prurigo nodularis | Dorsum of hand | 6 | 2 | 4 | None |
| 8 | M/38 | Nail dystrophy | Proximal nailfold | 5 | 2 | 3 | None |
| 9 | F/55 | Nail dystrophy | Proximal nailfold | 10 | 3 | 7 | None |
| 10 | F/61 | Nail psoriasis | Proximal nailfold | 10 | 2 | 8 | None |
| 11 | F/49 | Nail dystrophy | Proximal nailfold | 3 | 0 | 3 | Burning sensation |
| 12 | M/43 | Vitiligo | Finger | 8 | 5 | 3 | None |
| 13 | F/47 | Nail dystrophy | Proximal nailfold | 8 | 3 | 5 | None |
| 14 | F/29 | Nail psoriasis | Proximal nailfold | 5 | 3 | 2 | None |
| 15 | F/33 | Vitiligo | Finger | 6 | 4 | 2 | None |
| 16 | F/67 | Vitiligo | Dorsum of hand | 3 | 2 | 1 | None |
| 17 | M/69 | Prurigo nodularis | Dorsum of hand | 7 | 5 | 2 | None |
| 18 | F/55 | Vitiligo | Dorsum of hand | 7 | 5 | 2 | None |
| 19 | F/67 | Vitiligo | Dorsum of foot | 5 | 1 | 4 | None |
| 20 | F/60 | Nail dystrophy | Proximal nailfold | 5 | 2 | 3 | None |
| 21 | F/66 | Nail dystrophy | Proximal nailfold | 8 | 4 | 4 | Burning sensation |
M: male, F: female, NRS: numeric rating scale.