Table 2.
Incidence of hypothyroidism in the PSM study group.
Control n = 95,321 |
Asthma n = 95,321 |
|
---|---|---|
Follow-up person-months | 8,737,305 | 8,724,870 |
hypothyroidism | 597 | 709 |
Incidence rate * (95% CI) | 6.83 (6.31–7.40) | 8.13 (7.55–8.75) |
Crude Relative risk (95% CI) | Reference | 1.188 (1.066–1.325) |
* Incidence rate, per 100,000 person months.