| Univariate analysis | Multivariate analysis | ||||||
---|---|---|---|---|---|---|---|---|
Set 1 | Set 2 | Set 3 | ||||||
Variables | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value | OR (95% CI) | P value |
Agea | 0.98 (0.95–1.02) | 0.339 | 0.99 (0.94–1.04) | 0.716 | 0.98 (0.93–1.02) | 0.300 | 1.01 (0.95–1.06) | 0.815 |
Sex, male | 0.55 (0.18–1.67) | 0.293 | 0.64 (0.15–2.67) | 0.537 | 0.53 (0.13–2.19) | 0.383 | 0.72 (0.16–3.25) | 0.664 |
BMIb | 1.01 (0.82–1.25) | 0.930 |  |  |  |  |  |  |
Serum ACE, ≥ 21.4 IU/L | 1.08 (0.99–1.18) | 0.096 | 2.41 (0.64–9.14)) | 0.196 | 2.40 (0.64–9.03) | 0.195 | 2.53 (0.62–10.30) | 0.195 |
Radiographic stage, ≥ II | 1.27 (0.41–3.95) | 0.676 |  |  |  |  |  |  |
Pulmonary function test | Â | Â | Â | Â | Â | Â | Â | Â |
FVC % predictedc | 0.97 (0.93–1.02) | 0.240 |  |  |  |  |  |  |
FEV1/FVCc | 1.00 (0.98–1.01) | 0.692 |  |  |  |  |  |  |
Bronchoalveolar lavage | Â | Â | Â | Â | Â | Â | Â | Â |
 Lymphocytesc | 1.01 (0.97–1.04) | 0.767 |  |  |  |  |  |  |
 CD4/CD8 ratio, ≥ 3.5 | 0.99 (0.29–3.39) | 0.992 |  |  |  |  |  |  |
n-3 PUFAs, high | 0.23 (0.07–0.74) | 0.013 | 0.33 (0.09–1.24) | 0.101 |  |  |  |  |
n-6 PUFAs, high | 0.30 (0.09–1.05) | 0.059 |  |  | 0.43 (0.11–1.67) | 0.225 |  |  |
n-3/n-6 ratio, high | 0.16 (0.05–0.53) | 0.003 |  |  |  |  | 0.14 (0.03–0.61) | 0.009 |
SFAs, high | 0.16 (0.03–0.76) | 0.022 | 0.25 (0.05–1.35) | 0.107 | 0.25 (0.05–1.34) | 0.105 | 0.16 (0.03–0.96) | 0.045 |
MUFAs, high | 1.00 (0.18–5.69) | 1.000 |  |  |  |  |  |  |