| pSS (n = 176/198) | sSS n = 110/149) | NSS-NM (n = 104/163) | NSS-EC (n = 16/163) | P |
---|---|---|---|---|---|
FS < 1 | (15/176) 8.5% | (31/110) 28.2% | (90/104) 86.5% | (9/16) 56.2% |  |
FS = 1 | (23/176) 13.1% | (32/110) 29.1% | (14/104) 13.5% | (5/16) 31.2% |  |
FS = 2 | (42/176) 23.8% | (16/110) 14.5% | (0/104) – | (2/16) 12.5% |  |
FS = 3 | (20/176) 11.3% | (10/110) 9.1% | (0/104) – | (0/16) – |  |
FS = 4 | (76/176) 43.2% | (21/110) 19.1% | (0/104) – | (0/16) – |  |
Median (IQR) | 3 (2–4) | 1 (0–3) | 0 | 0 (0–1) | P < 0.0001* |
FS ≥ 1 | (161/176) 91.4% | (79/110) 71.8% | (14/104) 13.5% | (7/16) 43.7% |  |
 |  |  | 17.5% (21/120) |  |  |