Otitis media | |||||||
| Yes | NO | Total | p-value | Odd ratio | 95% C.L for EXP (B) | |
Previous O. complain | |||||||
Yes | 101 (84.2%) | 32 (12.1%) | 133 (34.6%) | 0.000 | 1.6595 | Upper | Lower |
NO | 19 (15.8%) | 232 (87.9%) | 251 (65.4%) | 2.801 | 0.518 | ||
Recurrent ear infection | |||||||
Yes | 78 (65%) | 23 (8.7%) | 101 (26.3%) | 0.000 | 1.512 | 4.520 | 0.506 |
NO | 42 (35%) | 241 (91.3%) | 283 (73.7%) | ||||
The first episode of ear infection | |||||||
None | 37 (30.9%) | 238 (90.2%) | 275 (71.6%) | 0.000 | 1.505 | 1.505 | 2.512 |
0 - 6 m | 34 (28.3%) | 10 (3.8%) | 44 (11.5%) | ||||
7 - 12 m | 40 (33.3%) | 13 (4.9%) | 53 (13.8%) | ||||
13 - 36 m | 7 (5.8%) | 2 (0.7%) | 9 (2.3%) | ||||
37 - 59 m | 2 (1.7%) | 1 (0.4%) | 3 (0.8%) |