Table 1 Descriptive statistics of ARI admissions
Total cases (N = 4880) | Negative cases (N = 1113) | Positive cases (N = 3767) | χ2 | P | ||||
|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | |||
Sex | ||||||||
Male | 2707 | 55.5 | 587 | 52.7 | 2120 | 56.3 | 4.4 | < 0.05 |
Female | 2173 | 44.5 | 526 | 47.3 | 1647 | 43.7 | ||
Age group | ||||||||
Infants (1–11 months) | 761 | 15.6 | 162 | 14.6 | 599 | 15.9 | 119.9 | < 0.001 |
Toddlers (1–2 years) | 2462 | 50.5 | 456 | 41.0 | 2006 | 53.3 | ||
Pre-school (3–5 years) | 1263 | 51.3 | 325 | 29.2 | 938 | 24.9 | ||
School age (6–14 years) | 394 | 8.1 | 170 | 15.3 | 224 | 5.9 | ||
Season | ||||||||
Spring (March, April, May) | 1406 | 28.8 | 311 | 27.9 | 1095 | 29.1 | 11.9 | < 0.05 |
Summer (June, July, August) | 1306 | 26.8 | 362 | 32.5 | 994 | 26.4 | ||
Autumn (September, October, November) | 1176 | 24.1 | 216 | 19.4 | 960 | 25.5 | ||
Winter (December, January, February) | 992 | 20.3 | 224 | 20.1 | 768 | 20.4 | ||
Diagnosis | ||||||||
Upper respiratory tract infection | 2460 | 50.4 | 655 | 58.8 | 1805 | 47.9 | 98.784 | < 0.001 |
Croup | 141 | 2.9 | 18 | 1.6 | 123 | 3.3 | ||
Bronchiolitis | 512 | 39.2 | 37 | 3.3 | 475 | 12.6 | ||
Pneumonia | 1097 | 22.5 | 264 | 23.7 | 833 | 22.1 | ||