Table 3 Event rates and hazards rations for exposed and unexposed groups
Characteristics | Exposed group (HBV infection) | Unexposed group (No HBV infection) |
|---|---|---|
No. (%) of incidence of MS | 119 (24.8) | 52 (10.5) |
Mean (SD) duration of follow-up (years) | 20.8 (2.0) | 20.6 (2.4) |
Crude event rate (No. of events per 10000 person-years)* | 119.4 | 50.8 |
Unadjusted hazards ratio (95% CI) † | 2.46 (1.77 to 3.41) | 1.00 |
Adjusted hazards ratio (95% CI) ∆ | 2.27 (1.52 to 3.38) | 1.00 |