Table 3 Multivariate logistic regression analysis of risk factors associated with hospitalization in the 2011 and 2014 epidemics
Variables | 2011 epidemic | 2014 epidemic | ||
|---|---|---|---|---|
OR (95% CI) | p-value | OR (95% CI) | p-value | |
Age (years) | 0.961 (0.875, 1.058) | 0.425 | ||
Co-infection (yes vs. no) | 5.944 (1.504,23.486) | 0.011* | ||
Diagnosis | ||||
 Acute pharyngitis/ PCF (yes vs. no) | 0.673 (0.308, 1.472) | 0.321 | 1.234 (0.564,2.699) | 0.598 |
 Bronchiolitis /bronchopneumonia (yes vs. no) | 2.278 (0.995, 5.214) | 0.051 | 2.505 (1.128,5.563) | 0.024* |
 Acute gastroenterocolitis (yes vs. no) | 1.711 (0.793, 3.690) | 0.171 | ||
 Underlying disease (yes vs. no) | 2.747 (1.214, 6.212) | 0.015* | 18.187 (4.571,72.360) | < 0.001* |
Clinical Manifestation | ||||
 Injected throat (yes vs. no) | 0.469 (0.195, 1.125) | 0.090 | ||
 Cough (yes vs. no) | 1.959 (1.128, 3.405) | 0.017* | 1.840 (0.818,4.141) | 0.141 |
 Diarrhea (yes vs. no) | 1.127 (0.641, 1.980) | 0.679 | 2.056 (1.043,4.050) | 0.037* |
 Vomiting (yes vs. no) | 2.413 (1.358,4.288) | 0.003* | ||
Laboratory monitor | ||||
 WBC (cells/μL) | 1.00003 (0.99997, 1.00001) | 0.333 | 1.00006 (1.00001,1.00011) | 0.018* |
 ALC (cells/μL) | 1.00005 (0.99984, 1.00026) | 0.670 | ||
 Seg (%) | 0.976 (0.955, 0.998) | 0.033* | ||
 Band (%) | 1.032 (0.996,1.070) | 0.078 | ||
 CRP (mg/L) | 1.015 (1.009,1.021) | < 0.001* | 1.007 (1.002,1.013) | 0.007* |