From: The association between ambient UVB dose and ANCA-associated vasculitis relapse and onset
Latitude | Average winter (2004–2019) | Average annual vitD-UVB | CW-D-UVB at symptom onset | Preceding winter | |||
---|---|---|---|---|---|---|---|
vitD-UVB | CW-D-UVB | vitD-UVB | CW-D-UVB | ||||
Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 | |
Random effects (variance (SD)) | |||||||
Patient ID | 0.55 (0.75) | 0.56 (0.75) | 0.57 (0.76) | 0.60 (0.78) | 0.64 (0.80) | 0.59 (0.77) | 0.54 (0.74) |
Fixed effects (OR (95% CI, p)) | |||||||
Latitude (degrees) | 1.41 (1.14–1.74, 0.002) | – | – | – | – | – | – |
Average winter vitDUVB (kJ/m2) | – | 0.71 (0.57–0.89, 0.002) | – | – | – | 0.90 (0.74–1.10, 0.31) | – |
Average winter CWD-UVB (kJ/m2) | – | – | 0.74 (0.60–0.91, 0.005) | – | – | – | 0.81 (0.66–0.99, 0.04) |
Average annual vitDUVB (kJ/m2) | – | – | – | 0.82 (0.70–0.99, 0.04) | – | – | – |
CW-D-UVB at symptom onset (kJ/m2) | – | – | – | – | 1.06 (0.88–1.28, 0.52) | – | – |
Not MPA (ref: MPA) | 1.78 (1.03–3.05, 0.04) | 1.72 (1.00–2.96, 0.05) | 1.75 (1.01–3.01, 0.05) | 1.74 (1.01–3.02, 0.048) | 1.79 (1.02–3.13, 0.04) | 1.78 (1.03–3.10, 0.04) | 1.78 (1.03–3.07, 0.04) |
Age at diagnosis (years) | 0.75 (0.61–0.92, 0.006) | 0.74 (0.60–0.90, 0.004) | 0.74 (0.60–0.91, 0.004) | 0.73 (0.60–0.90, 0.004) | 0.73 (0.59–0.90, 0.003) | 0.74 (0.60–0.90, 0.004) | 0.74 (0.60–0.90, 0.004) |
Gender (male) | 0.93 (0.61–1.41, 0.73) | 0.92 (0.61–1.39, 0.70) | 0.91 (0.60–1.38, 0.67) | 0.91 (0.60–0.90, 0.64) | 0.90 (0.60–1.38, 0.65) | 0.91 (0.60–1.37, 0.65) | 0.91 (0.60–1.37, 0.65) |
Not MPO-ANCA (ref: MPO-ANCA) | 1.10 (0.64–1.86, 0.74) | 1.10 (0.65–1.88, 0.72) | 1.10 (0.64–1.87, 0.74) | 1.10 (0.64–1.89, 0.73) | 1.08 (0.63–1.87, 0.77) | 1.08 (0.63–1.86, 0.77) | 1.08 (0.63–1.83, 0.79) |
Off treatment (ref: On treatment) | 2.65 (1.70–4.14, < 0.001) | 2.65 (1.70–4.13, < 0.001) | 2.66 (1.70–4.16, < 0.001) | 2.66 (1.70–4.17, < 0.001) | 2.62 (1.68–4.11, < 0.001) | 2.65 (1.70–4.14, < 0.001) | 2.64 (1.70–4.11, < 0.001) |
Number of individuals | 439 | 439 | 439 | 439 | 439 | 439 | 439 |
Number of observations | 2080 | 2080 | 2080 | 2080 | 2080 | 2077 | 2077 |