| Confirmed COVID-19 | Highly suspicious COVID-19 | Unlikely COVID-19 | Non-COVID-19 |
---|---|---|---|---|
 | n = 23 | n = 29 | n = 261 | n = 1737 |
Age, mean (SD), years | 62.8 (13.1)*§ | 52.8 (13.1)*§ | 53.8 (14.6)*§ | 58.5 (14.9)*§ |
Female gender, n (%) | 15 (65.2) | 21 (72.4) | 178 (68.2) | 1140 (65.6) |
Current smokers, n (%) | 4 (21.1) | 3 (11.5) | 38 (18.3) | 231 (16.2) |
BMI, median (IQR) | 26.3 (7) | 24.6 (4.3) | 24.9 (5.4) | 25.3 (5.1) |
 Overweight, n (%) | 4 (28.6) | 7 (25.9) | 53 (26.1)# | 461 (33.6)# |
 Obese, n (%) | 3 (21.4) | 4 (14.8) | 33 (16.3) | 193 (14.1) |
Hypertension, n (%) | 10 (50) | 10 (37) | 76 (30.6) | 547 (32.5) |
Diabetes, n (%) | 2 (10) | 1 (3.7) | 22 (8.9) | 133 (7.9) |
Diagnosis | ||||
 SpA, n (%) | 4 (17.4) | 5 (17.2) | 48 (18.4) | 240 (13.8) |
 PsA, n (%) | 2 (8.7) | 4 (13.8) | 52 (19.9) | 340 (19.6) |
 UA, n (%) | 0 (0) | 4 (13.8) | 11 (4.2) | 112 (6.4) |
 RA, n (%) | 17 (73.9) | 16 (55.2) | 150 (57.5) | 1045 (60.2) |
Disease duration, median (IQR), months | 96 (60–153) | 96 (50–147) | 120 (60–180) | 120 (60–192) |
 ≤ 5 years, n (%) | 7 (30.4) | 10 (35.4) | 70 (27.1) | 496 (28.7) |
 5–10 years, n (%) | 8 (34.8) | 12 (41.4) | 66 (25.6) | 449 (26) |
 10–15 years, n (%) | 6 (26.1) | 0 (0) | 63 (24.4) | 361 (20.9) |
 > 15 years, n (%) | 2 (8.7) | 7 (24.1) | 59 (22.9) | 422 (24.4) |
Use of PDN, n (%) | 13 (56.5)** | 9 (31) | 73 (28)** | 549 (31.7)** |
PDN dose, mean (SD), mg/day | 4.6 (1.4) | 3.9 (2.2) | 4.3 (2.1) | 4.3 (3.5) |
 < 2.5 mg/day, n (%) | 0 (0) | 2 (22.2) | 6 (8.2) | 49 (9) |
 ≥ 2.5 mg/day, n (%) | 13 (100) | 7 (77.8) | 67 (91.8) | 498 (91) |
Use of HCQ, n (%) | 5 (21.7) | 5 (17.2) | 47 (18) | 325 (18.7) |
Use of csDMARDs, n (%) | 15 (65.2) | 13 (44.8) | 153 (54.8) | 877 (50.5) |
Use of b/tsDMARDs, n (%) | 10 (43.5)** | 11 (37.9)^ | 183 (70.1)**^ | 1074 (61.8)^ |