Table 2.
Logistic and linear regression results by different factors in 128 patients with severe influenza A(H7N9) infection, Zhejiang, China
| Factors | Logistic regression model Event = fatality | Linear regression model Dependent = log(survival time since admission) | ||
|---|---|---|---|---|
| Crude OR (95% CI) | Adjusted OR (95% CI) | Coefficient (s.e.) | Adjusted coefficient (s.e.) | |
| Age (+5 years) | 1·39 (1·19–1·64)** | 1·41 (1·19–1·67)** | 0·03 (0·05) | |
| Sex (contrast: male), female | 0·80 (0·37–1·74) | 0·12 (0·27) | ||
| Occupation (contrast: farmer), others | 1·00 (0·49–2·06) | 0·25 (0·25) | ||
| Any comorbidity (contrast: no) | 2·29 (0·87–6·01) | 0·31 (0·29) | ||
| Antiviral therapy (contrast: no) | 0·91 (0·38–2·21) | 0·14 (0·33) | ||
| Antiviral therapy within 48 h (contrast: no) | 1·41 (0·36–5·55) | 0·41 (0·43) | ||
| Symptom onset to first clinical visit (+1 day) | 0·83 (0·68–1·03) | 0·80 (0·63–1·02) | 0·12 (0·08) | |
| First clinical visit to admission (+1 day) | 0·95 (0·82–1·11) | −0·12 (0·05)* | −0·11 (0·05)* | |
| The first recorded body temperature (+1 °C) | 1·21 (0·67–2·18) | 0·03 (0·09) | ||
| WBC count at admission (+1 × 109/l) | 1·08 (0·96–1·22) | 0·00 (0·01) | ||
| Lymphocyte percentage at admission (+5%) | 1·06 (0·90–1·26) | −0·05 (0·03) | −0·04 (0·03) | |
OR, Odds ratio; CI, confidence interval; WBC, white blood cell.
*
P < 0·05, **P < 0·01.