Table 2 Asthma-related drug prescription rates per person diagnosed with asthma and risk factors in preterm infants.
Preterm | Relative risks | |||
|---|---|---|---|---|
Population | With asthma | Incidence rate | ||
Sex | ||||
Male | 326,898 | 80,522 | 24.63 | 1.11 (1.09–1.12)*** |
Female | 268,237 | 59,710 | 22.26 | Reference |
Preterm | ||||
Extreme preterm | 6292 | 1589 | 25.25 | 1.92 (1.82–2.03)*** |
Very preterm | 16,177 | 3336 | 20.62 | 1.57 (1.51–1.63)*** |
Moderate/late preterm | 71,366 | 9387 | 13.15 | Reference |
Weight | ||||
Extremely low birth weight | 4298 | 1135 | 26.41 | 1.80 (1.68–1.94)*** |
Very low birth weight | 6001 | 1260 | 21.00 | 1.43 (1.34–1.54)*** |
Low birth weight | 16,756 | 2452 | 14.63 | Reference |
Preterm without comorbidities | 595,135 | 140,232 | 23.56 | Reference |
Small for gestational age | 2264 | 322 | 14.22 | 0.60 (0.54–0.67)*** |
Large for gestational age | 336 | 53 | 15.77 | 0.67 (0.50–0.88)** |
Intrauterine growth retardation | 1549 | 247 | 15.95 | 0.68 (0.59–0.77)*** |
Bronchopulmonary dysplasia | 9009 | 2844 | 31.57 | 1.34 (1.29–1.39)*** |
Respiratory distress of newborn | 43,841 | 10,983 | 25.05 | 1.06 (1.04–1.08)*** |
