pre-RA | ||||
---|---|---|---|---|
Antibodies | Never smokers | Former smokers | Current smokers | |
n = 36 | n = 28 | n = 37 | ||
RF | n (%) | 7 (19) | 9 (32) | 7 (19) |
‘Ever’RF | n (%) | 20 (56) | 15 (54) | 26 (70) |
CCP2 | (u/ml), median (IQR) | 1.17 (0–59) | 1.74 (0–300) | 1.26 (0–300) |
n (%) | 7 (19) | 11 (39)* | 7 (19) | |
CEP1 | (u/ml), median IQR | 4.51 (2.22–69) | 15.5 (4.20–355) | 3.70 (2.99–152) |
n (%) | 4 (11) | 9 (32)* | 2 (5) | |
REP1 | (OD), median (IQR) | 0.13 (0.07–0.55) | 0.094 (0.05–0.36) | 0.076 (0.052–0.27) |
n (%) | 2 (6) | 0 (0) | 0 (0) | |
cFib | (u/ml), median IQR | 2.53 (1.11–77.24) | 3.93 (1.30-320) | 1.61 (0.94–217) |
n (%) | 5 (14) | 11 (39) | 3 (8) | |
Fib | (OD), median IQR | 0.08 (0.06-0.27) | 0.09 (0.06–0.26) | 0.08 (0.05–0.25) |
n (%) | 1 (3) | 0 (0) | 1 (3) | |
cVim | (u/ml), median IQR | 14.26 (8.71–114) | 29.2 (5.71–401) | 16.3 (8.7–240) |
n (%) | 1 (4) | 2 (8) | 2 (8) | |
Vim | (u/ml), median IQR | 8.25 (4.70–26) | 8.20 (5.83–24.3) | 7.4 (4.6–44.5) |
n (%) | 1 (3) | 0 (0) | 3 (9) | |
CPP3 | (OD), median IQR | 0.08 (0.05–0.76) | 0.14 (0.08–0.79) | 0.10 (0.06–0.33) |
n (%) | 1 (3) | 1 (4) | 0 (0) | |
RPP3 | (OD), median IQR | 0.09 (0.06–0.80) | 0.13 (0.09–0.94) | 0.13 (0.06–0.36) |
n (%) | 3 (8) | 2 (7) | 0 (0) | |
CPP5 | (u/ml), median IQR | 26.8 (14.62–71.48) | 52.15 (25.66–122) | 39.3 (28.3–60.19) |
n (%) | 1 (3) | 1 (4) | 3 (8) | |
RPP5 | (OD), median IQR | 27.6 (16.17–35.15) | 42.52 (26.8–69.6) | 40 (20.99–51.96) |
n (%) | 0 (0) | 0 (0) | 2 (5) | |
RgpB | (u/ml), median (IQR) | 1191 (599–1444) | 1555 (966–2560) | 948 (553–1976) |
n (%) | 1 (3) | 2 (7) | 0 (0) | |
categories, n (%) | ||||
1 (<1280) | 18 (50) | 10 (36) | 21 (57) | |
2 (≥1280) | 11 (31) | 10 (36) | 8 (22) | |
3 (≥2560) | 6 (17) | 6 (21) | 8 (22) | |
4 (≥5120) | 1 (3) | 2 (7) | 0 (0) | |
Duration of smoking (years), median (IQR) | - | 21 (14–29) | 26 (21–34)** | |
Number of cigarettes/day, median (IQR) | - | 9 (6–18) | 13 (8–17) | |
Time since quitting (years), median (IQR) | - | 10 (3–16) | - |