Variable | Coding if categorical | B | SE | Wald | P-value | OR (95% CI) | |
---|---|---|---|---|---|---|---|
Age (years) | <50: | 0 | |||||
≥50: | 1 | -0.80 | 0.32 | 6.27 | 0.012 | 0.45 (0.24 to 0.84 | |
Sx Durn (weeks) | n/a | -0.030 | 0.01 | 12.64 | <0.001 | 0.97 (0.96 to 0.99) | |
SJC /72 | <1: | 0 | |||||
≥1: | 1 | 1.53 | 0.31 | 23.94 | <0.001 | 4.61 (2.50 to 8.43) | |
JPS | n/a | 0.42 | 0.26 | 2.66 | 0.100 | 1.52 (0.92 to 2.52) | |
CRP (g/l) | <5: | 0 | |||||
5 to 14: | 1 | 0.77 | 0.21 | 13.48 | <0.001 | 2.16 (1.43 to 3.27) | |
≥14: | 2 | ||||||
ESR (mm/h) | <24 | 0 | |||||
≥24 | 1 | 0.79 | 0.34 | 5.33 | 0.021 | 2.21 (1.13 to 4.32) | |
ACPA | Neg: | 0 | |||||
Pos: | 1 | 4.89 | 1.10 | 21.36 | <0.001 | 132.4 (17 to 1052) | |
Constant | -2.12 | 0.52 | 16.63 | <0.001 | - |