Table 1 Baseline characteristics of the study population
Variable | n (%) |
|---|---|
Gender | |
 Female | 344 (85.2%) |
 Male | 60 (14.9%) |
Age | |
 ≤ 20 year | 43 (10.6%) |
 20–40 year | 179 (44.3%) |
 > 40 year | 182 (45.1%) |
Underlying disease | |
 SLE | 178 (44.1%) |
 SS | 72 (17.8%) |
 SSc | 39 (9.7%) |
 RA | 32 (7.9%) |
 PM/DM | 30 (7.4%) |
 Primary vasculitis | 11 (2.7%) |
 MCTD | 6 (1.5%) |
 ALD | 5 (1.2%) |
 Others | 31 (7.7%) |
The source of MSCs | |
 UC | 385 (95.3%) |
 BM | 17 (4.2%) |
 UC/BM | 2 (0.5%) |