表 2.
两组患者临床表现比较[n(%)]
Comparison of clinical manifestations between the two groups [n(%)]
| Variables | RP onset group (n=196) | NRP onset group (n=105) | χ 2 | P |
| N/A, not available (Fisher’s exact test). RP, Raynaud’s phenomenon; NRP, non-Raynaud’s phenomenon; ILD, interstitial lung disease; PAH, pulmonary arterial hypertension. Other abbreviations as in Table 1. | ||||
| Skin manifestations | ||||
| Skin hardening/thickening | 174 (88.8) | 99 (94.3) | 2.461 | 0.117 |
| Loss of digital pad tissue | 26 (13.3) | 5 (4.8) | 5.351 | 0.021 |
| Bones/muscles manifestations | ||||
| Muscle pain | 34 (17.3) | 20 (19.0) | 0.134 | 0.714 |
| Joint swelling | 59 (30.1) | 34 (32.4) | 0.166 | 0.683 |
| Arthralgia | 93 (47.4) | 57 (54.3) | 1.278 | 0.258 |
| Vascular manifestations | ||||
| vFingertip ulcers | 49 (25.0) | 15 (14.3) | 4.688 | 0.030 |
| Digital gangrene | 7 (3.6) | 0 | N/A | 0.101 |
| Cardiopulmonary system manifestations | ||||
| Palpitations | 22 (11.2) | 14 (13.3) | 0.289 | 0.591 |
| ILD | 92 (46.9) | 32 (30.5) | 7.649 | 0.006 |
| PAH | 39 (19.9) | 10 (9.5) | 5.399 | 0.020 |
| Digestive involvement | ||||
| Reflux/Heartburn | 87 (44.4) | 40 (38.1) | 1.110 | 0.292 |
| Stomach fullness | 26 (13.3) | 6 (5.7) | 4.103 | 0.043 |
| Intermittent abdominal pain | 13 (6.6) | 3 (2.9) | 1.936 | 0.164 |
| Renal involvement | ||||
| Proteinuria | 14 (7.1) | 7 (6.7) | 0.024 | 0.877 |
| Microscopic hematuria | 4 (2.0) | 3 (2.9) | 0.002 | 0.963 |
| Renal crisis | 3 (1.5) | 1 (1.0) | 0.000 | >0.999 |