Comparison of patients with and without RP
| Features | RP, n (%) or m (SD) | No RP, n (%) or m (SD) | p value |
|---|---|---|---|
| Sex (female) | 33 (89.2) | 16 (76.2) | 0.2621 |
| Age (years) | 45.3 (20.0) | 38.9 (19.7) | 0.3023 |
| Puffy hands | 2 (5.4) | 1 (4.8) | – |
| ANA positivity | 16 (55.3) | 10 (58.8) | 0.7682 |
| ENA (n=53) | 4 (n=34,11.8) | 4 (n=19,21.1) | 0.0602 |
| Dilatations | 13 (35.1) | 5 (23.8) | 0.5562 |
| Tortuosity | 17 (45.9) | 9 (42.9) | >1.02 |
| Hemorrhages | 10 (27.0) | 5 (23.8) | >1.02 |
| Neovascularization | 5 (13.5) | 1 (4.8) | 0.4022 |
| NCP (NSF) | 23 (62.2) | 10 (47.6) | 0.3631 |
Nonparametric statistical analysis using Chi-square (1) or Fisher's Exact test (2) for categorical variables and Mann-Whitney U test (3) for numerical variables (confidence interval 95%).