Table 2 Clinical manifestations and laboratory features
Parameters | non-RP-ILD | RP-ILD | p-value |
|---|---|---|---|
Case number | 19 | 20 |  |
Gender, female, no. (%) | 13 (68.42%) | 14 (70%) | 0.915 |
Age, mean ± SD, years | 51.05 ± 16.05 | 56.70 ± 10.10 | 0.194 |
Medical history, months | 3.73 ± 2.90 | 2.35 ± 2.07 | 0.103 |
Medication | |||
 - glucocorticoids, no. (%) | 9 (47.37%) | 9 (45%) | 0.882 |
 - immunosuppressants, no. (%) | 7 (36.84%) | 6 (30%) | 0.651 |
Myasthenia, no. (%) | 5 (26.31%) | 9 (45%) | 0.224 |
Gottron’s sign, no. (%) | 13 (68.42%) | 10 (50%) | 0.242 |
Heliotrope rash, no. (%) | 5 (26.31%) | 6 (30%) | 0.798 |
V sign, no. (%) | 9 (47.36%) | 6 (30%) | 0.265 |
Shawl sign, no. (%) | 6 (31.57%) | 4 (20%) | 0.408 |
Periungual erythema, no. (%) | 5 (26.31%) | 5 (25%) | 0.925 |
Skin ulcers, no. (%) | 5 (26.31%) | 2 (10%) | 0.184 |
Mechanic’s hands, no. (%) | 6 (27.27%) | 7 (35%) | 0.821 |
Arthritis, no. (%) | 6 (21.21%) | 4 (20%) | 0.408 |
CK, median (range), IU/L | 47.00 (35.00–122.00) | 51.00 (25.50–98.25) | 0.561 |
LDH, median (range), U/L | 317.00 (253.00–418.00) | 319.00 (277.25–423.00) | 0.853 |
ESR, median (range), mm/H | 33.50 (22.00–46.50) | 41.00 (21.00–54.00) | 0.348 |
SF, median (range), ng/mL | 586.10 (453.25–876.70) | 916.40 (641.75–1121.93) | 0.692 |
CRP, median (range), mg/L | 3.96 (2.17–7.99) | 8.81 (2.93–31.88) | 0.021 |
BAFF, mean ± SD, pg/mL | 3297.28 ± 1794.69 | 4549.78 ± 1839.97 | 0.040 |