Table 2.
Comparison of organ involvement rate among different groups of patients
| Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | χ2 | P | |
|---|---|---|---|---|---|---|---|
| n = 106 | n = 108 | n = 170 | n = 135 | n = 45 | |||
| Skin mucosal involvement rate | 6 (5.70%) | 16 (17.00%) | 24 (14.00%) | 32 (23.70%) | 16 (35.60%) | 25.932 | < 0.001 |
| Musculoskeletal involvement rate | 29 (27.40%) | 32 (34.00%) | 51 (29.80%) | 42 (31.10%) | 20 (44.40%) | 4.842 | 0.314 |
| Renal system involvement rate | 0 (0.00%) | 4 (4.30%) | 5 (2.90%) | 3 (2.20%) | 0 (0.00%) | 5.173 | 0.212 |
| Renal tubular acidosis | 0 (0.00%) | 4 (4.30%) | 5 (2.90%) | 3 (2.20%) | 0 (0.00%) | 5.173 | 0.212 |
| Respiratory system involvement rate | 15 (14.20%) | 16 (17.00%) | 25 (14.60%) | 19 (14.10%) | 14 (31.10%) | 8.528 | 0.073 |
| Interstitial pneumonia | 13 (122.30%) | 10 (10.60%) | 16 (9.40%) | 13 (9.60%) | 9 (20.0%) | 4.611 | 0.330 |
| Digestive system involvement rate | 101 (22.80%) | 19 (17.90%) | 30 (31.90%) | 34 (19.90%) | 9 (20.00%) | 7.123 | 0.129 |
| Autoimmune hepatitis | 9 (8.50%) | 9 (9.60%) | 11 (6.40%) | 9 (6.70%) | 2 (4.40%) | 1.761 | 0.783 |
| Blood system involvement rate | 23 (21.70%) | 32 (43.00%) | 72 (42.10%) | 46 (34.10%) | 13 (28.90%) | 12.709 | 0.013 |
| Immune thrombocytopenia | 8 (7.50%) | 7 (7.40%) | 24 (14.00%) | 15 (11.10%) | 3 (6.70%) | 4.998 | 0.287 |
| Thyroid involvement rate | 22 (20.80%) | 17 (18.10%) | 25 (14.60%) | 21 (15.60%) | 10 (22.20%) | 2.839 | 0.587 |
*Significant difference (P < 0.05) when compared with Group 1, indicating a statistically significant difference