Table 1 Univariate analysis of socio-demographics between severe group and non-severe pertussis group
Characteristics | Severe pertussis group (n = 63) | Non-severe pertussis (n = 189) | t/χ2/Z | P |
|---|---|---|---|---|
Age (months) | 2 (1, 4) | 4 (2, 8) | − 4.478 | < 0.001 |
Gender [(n) %)] | ||||
Boy | 38 (60.3) | 83 (43.9) | 5.093 | 0.024 |
Girl | 25 (39.7) | 106 (56.1) | ||
Rural area [(n) %)] | ||||
No | 10 (15.9) | 63 (33.3) | 7.001 | 0.008 |
Yes | 53 (84.1) | 126 (66.7) | ||
Cesarean section [(n) %)] | ||||
No | 26 (41.3) | 83 (43.9) | 0.135 | 0.714 |
Yes | 37 (58.7) | 106 (56.1) | ||
Premature delivery [(n) %)] | ||||
No | 55 (87.3) | 178 (94.2) | 2.296 | 0.130 |
Yes | 8 (12.7) | 11 (5.8) | ||
Artificial feeding [(n) %)] | ||||
No | 31 (49.2) | 130 (68.8) | 7.849 | 0.005 |
Yes | 32 (50.8) | 59 (31.2) | ||
Birth weight (kg) | 2.93 ± 0.98 | 3.34 ± 0.50 | 3.017 | 0.004 |
Admission weight (kg) | 6.63 ± 2.71 | 7.87 ± 2.76 | 3.086 | 0.002 |
Comorbidity [(n) %)] | ||||
No | 53 (84.1) | 170 (89.9) | 1.572 | 0.210 |
Yes | 10 (15.9) | 19 (10.1) | ||
Contact history [(n) %)] | ||||
No | 18 (28.6) | 67 (35.4) | 1.000 | 0. 317 |
Yes | 45 (71.4) | 122 (64.6) | ||
Pertussis vaccine (doses) | ||||
0 | 50 (79.4) | 81 (42.9) | 25.850 | < 0.001 |
1 | 5 (7.9) | 36 (19.0) | ||
2 | 3 (4.8) | 15 (7.9) | ||
≥ 3 | 5 (7.9) | 57 (30.2) | ||
Hospital stay (days) | 13 (11–14) | 9 (7–10) | − 7.262 | < 0.001 |