Table 2.
Univariate and multivariate logistic regression analysis for total exacerbation.
| Univariate model | Multivariate model | |||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Sex | ||||
| Female | Reference | – | Reference | – |
| Male | 3.0394 (1.4362–6.4321) | 0.004 | 3.6455 (1.1323–11.7361) | 0.030 |
| Age | 1.0071 (0.9785–1.0365) | 0.630 | NA | NA |
| Smoking index | 1.0109 (1.0015–1.0203) | 0.023 | 0.9999 (0.9872–1.0128) | 0.993 |
| BMI | 0.9517 (0.8935–1.0138) | 0.125 | NA | NA |
| SGRQ scores | 1.0653 (1.0443–1.0866) | <0.05 | 1.0395 (1.0140–1.0656) | <0.05 |
| GOLD stage | ||||
| GOLD 1 | Reference | – | Reference | – |
| GOLD 2 | 2.0500 (0.8845–4.7511) | 0.094 | 1.3233 (0.4750–3.6867) | 0.592 |
| GOLD 3 | 8.9167 (3.8123–20.8542) | <0.05 | 2.6184 (0.8800–7.7903) | 0.084 |
| GOLD 4 | 9.3333 (3.0332–28.7195) | <0.05 | 1.9026 (0.4135–8.7543) | 0.409 |
| COPD years | 1.1208 (1.0536–1.1924) | <0.05 | 1.1044 (1.0209–1.1947) | 0.013 |
| PLR | 1.0093 (1.0044–1.0142) | <0.05 | 1.0160 (1.0051–1.0270) | 0.004 |
| SII | 1.0011 (1.0004–1.0018) | 0.002 | 1.0002 (1.0000–1.0041) | 0.086 |
| SIRI | 1.5203 (1.1914–1.9399) | 0.001 | 1.3994 (0.9070–2.1592) | 0.129 |
| PLT/MPV | 0.9909 (0.9502–1.0333) | 0.669 | NA | NA |
| PLT/RDW | 0.9966 (0.9335–1.0640) | 0.919 | NA | NA |
OR, odds ratio; CI, confidence interval; PLR, platelet–lymphocyte ratio; SII, platelet × neutrophil/lymphocyte; SIRI, monocyte × neutrophil/lymphocyte; PLT/RDW, platelet counts–red cell distribution width ratio; PLT/MPV, platelet counts–mean platelet volume ratio.