Table 1 Rates of antibiotics dispensed per year of age, by age of asthma diagnosis and rate ratios compared to non-asthmatics by age 6 (rates standardized for year 2000)
From: Antibiotic consumption in children prior to diagnosis of asthma
| Â | No asthma by age 6 (n = 96,496) | Age at asthma index date | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | Â | Age 2 (n = 2,791) | Age 3 (n = 2,572) | Age 4 (n = 2,238) | Age 5 (n = 2,039) | ||||
Age, years | Rate of ABX per 100 PY | Rate of ABX per 100 PY | RR (95% CI)* | Rate of ABX per 100 PY | RR (95% CI)* | Rate of ABX per 100 PY | RR (95% CI)* | Rate of ABX per 100 PY | RR (95% CI)* |
0 | 84.6 | 123.9 | 1.47 (1.40-1.53) | 118.5 | 1.40 (1.34-1.47) | 110.8 | 1.31 (1.25-1.38) | 108.3 | 1.28 (1.22-1.35) |
1 | 118.8 | 190.1 | 1.60 (1.54-1.66) | 173.4 | 1.46 (1.40-1.52) | 165.0 | 1.39 (1.33-1.45) | 156.4 | 1.32 (1.26-1.46) |
2 | 90.1 | 213.0 | 2.36 (2.28-2.45) | 149.0 | 1.65 (1.58-1.73) | 140.2 | 1.56 (1.48-1.63) | 124.9 | 1.39 (1.32-1.46) |
3 | 89.0 | 170.0 | 1.91 (1.84-1.99) | 207.5 | 2.33 (2.24-2.42) | 156.8 | 1.76 (1.68-1.84) | 136.9 | 1.54 (1.46-1.62) |
4 | 85.7 | 148.1 | 1.73 (1.65-1.80) | 162.1 | 1.89 (1.81-1.97) | 197.0 | 2.30 (2.20-2.40) | 141.9 | 1.66 (1.57-1.74) |
5 | 85.8 | 143.3 | 1.67 (1.60-1.75) | 147.2 | 1.72 (1.64-1.79) | 164.0 | 1.91 (1.83-2.00) | 198.1 | 2.31 (2.21-2.41) |
Before age 6 | 91.5 | 162.5 | 1.77 (1.75-1.80) | 156.7 | 1.72 (1.69-1.74) | 152.2 | 1.66 (1.63-1.69) | 141.0 | 1.55 (1.51-1.58) |