Table 2. Personal history of the studied patients with influenza virus infection.
| Factors | A/H1N1pdm09 (n = 26) | A/H3N2 (n = 131) | B (n = 59) | P 1) |
|---|---|---|---|---|
| Secondhand smoke | 10(38.5) | 45(34.4) | 20(33.9) | 0.9912 |
| Caesarean | 12(46.2) | 58(44.3) | 26(44.1) | 0.9823 |
| ≥1 Underlying condition | 6(42.3) | 53(40.5) | 19(32.2) | 0.7917 |
| Prematurity | 1(3.8) | 8(6.1) | 7(11.9) | 0.2847 |
| Pulmonary | 4(15.4) | 15(11.5) | 8(13.6) | 0.9722 |
| Neurologic | 1(3.8) | 3(2.3) | 1(1.7) | ND |
| Cardiac | 0(0) | 2(1.5) | 2(3.4) | ND |
| Renal | 1(3.8) | 1(0.8) | 0(0) | ND |
Data are shown as number (%)
1) Comparisons were made using Fisher’s exact test for categorical variables.
ND: Not determined