TABLE 3.
Comparing the adjusted effectiveness of all participants in different lithium groups through Cox proportional hazard models, stratified analysis by age
| Age group | <0.4 mmol/L | 0.4–0.8 mmol/L | 0.8–1.2 mmol/L | |||
|---|---|---|---|---|---|---|
| Incident/total cases | Adjusted HR a | Incident/total cases | Adjusted HR a | Incident/total cases | Adjusted HR a | |
| <20 years | 9/14 | 1.00 [Reference] | 11/13 | 1.97 (0.60–6.43) | 1/2 | 0.76 (0.06–10.04) |
| 20–40 years | 46/61 | 1.00 [Reference] | 81/111 | 0.74 (0.49–1.12) | 5/9 | 0.39 (0.14–1.07) |
| 40–60 years | 46/62 | 1.00 [Reference] | 81/125 | 0.67 (0.46–0.99)* | 12/13 | 1.35 (0.66–2.75) |
| ≥60 years | 13/16 | 1.00 [Reference] | 23/38 | 0.59 (0.21–1.68) | 1/2 | 0.76 (0.07–8.07) |
Abbreviation: HR, hazard ratio.
a
Hazard ratio was adjusted for gender, all comorbidities, and all medications.
*
Indicated p < 0.05.