Table 3.
Univariate and multivariate analyses of the predictors of complications
| Variable | Univariate | Multivariate | ||
|---|---|---|---|---|
| OR (95% CI) | P value | OR (95% CI) | P value | |
| Age | 1·1 (1·0–1·1) | 0·002 | 1·1 (1·0–1·1) | 0·007 |
| Male gender | 3·1 (1·0–9·8) | 0·05 | – | – |
| Underlying diseases* | 4·1 (1·3–13·3) | 0·02 | – | – |
| Initial viral load (log10 copies/μl) | 0·50 (0·3–0·8) | 0·004 | 0·5 (0·3–0·8) | 0·01 |
| Days from fever to oseltamivir use | 1·8 (1·2–2·8) | 0·009 | – | – |
| Days from fever to hospital visit | 1·7 (1·2–2·6) | 0·008 | – | – |
OR, odds ratio; CI, confidence interval.
*Included any one of the underlying diseases specified in Table 2.