Sex (male/female)a
|
51 /34 |
226 /129 |
0.530 |
Age (months)b
|
6.50±6.06 |
6.07±4.72 |
0.482 |
Weight-for-age z-scoreb
|
-0.87±1.54 |
-0.30±1.16 |
<0.001* |
Birth weekb
|
38.24±2.69 (28-41) |
38.39±2.37 (24-42) |
0.602 |
Cesarean deliverya
|
43 (50.6%) |
163 (45.9%) |
0.469 |
Feeding typec
|
|
|
0.263 |
Mother’s milk only
|
63 (74.1%)
|
267 (75.2%)
|
|
Mother’s milk + additional food
|
19 (22.4%)
|
84 (23.7%)
|
|
Formula milk only
|
3 (3.5%)
|
4 (1.1%)
|
|
History of atopic diseasec
|
|
|
0.073 |
Gastroesophageal reflux disease |
1 (1.2%) |
12 (3.4%) |
0.478 |
Hospitalization in neonatal intensive care |
30 (35.3%) |
89 (25.1%) |
0.059 |
Number of bronchiolitis attacks |
1.59±1.02 (1-5) |
1.34±0.64 (1-4) |
0.004* |