Table 4.
OCS and antimicrobial courses, emergency room visits, hospitalizations, exacerbations, total number of exacerbation events, and health care visits due to asthma per person years in active and inactive platform users before and during registration on the asthma platform
| Before registration (per person-years) | During follow-up (per person-years) | ||||||
|---|---|---|---|---|---|---|---|
| Inactive users Mean (SE) |
Active users Mean (SE) |
IRR (95% CI) | Inactive users Mean (SE) |
Active users Mean (SE) |
IRR (95% CI) | ||
| OCS courses | 1.12 (0.25) | 2.06 (0.18) |
1.84 (1.14 to 2.96) p = 0.012 |
0.58 (0.20) | 1.61 (0.20) |
2.80 (1.38 to 5.80) p = 0.004 |
|
| Antimicrobial courses | 0.43 (0.13) | 0.79 (0.14) |
1.83 (0.92 to 3.65) p = 0.081 |
0.20 (0.15) | 0.69 (0.11) |
3.40 (0.79 to 14.63) p = 0.10 |
|
| Emergency room visits | 0.09 (0.05) | 0.29 (0.08) |
3.40 (1.04 to 11.12) p = 0.043 |
0.09 (0.06) | 0.16 (0.07) |
1.83 (0.35 to 9.54) p = 0.47 |
|
| Hospitalizations | 0.09 (0.05) | 0.13 (0.05) |
1.47 (0.39 to 5.49) p = 0.57 |
0.03 (0.03) | 0.07 (0.05) |
2.56 (0.26 to 25.72) p = 0.42 |
|
| Exacerbations | 1.18 (0.26) | 2.08 (0.17) |
1.76 (1.11 to 2.79) p = 0.016 |
0.58 (0.17) | 1.67 (0.19) |
2.89 (1.56 to 5.38) p < 0.001 |
|
| Total number of exacerbation events (sum of OCS and antimicrobial courses, hospitalizations, and emergency room visits) | 1.72 (0.36) | 3.28 (0.33) |
1.90 (1.21 to 3.00) p = 0.006 |
0.89 (0.37) | 2.56 (0.32) |
2.86 (1.24 to 6.62) p = 0.014 |
|
| Health care visits | 2.47 (0.24) | 2.82 (0.17) |
1.14 (0.92 to 1.43) p = 0.24 |
2.63 (0.21) | 2.38 (0.13) |
1.01 (0.82 to 1.23) p = 0.96 |
|
IRR = incidence rate ratio. CI = Confidence interval SE = standard error. OCS = oral corticosteroid