Table 3 Results from multivariable Poisson regression models of association between current receipt of ABC and MI rate, overall and stratified by calendar period. Factors included in adjusted analyses are listed in the Methods section
MI/PYRS | Rate (95 % CI)/100 PYRS | aRR (95 % CI) | |
|---|---|---|---|
Overall | |||
Not currently on ABC | 600/295,642 | 0.20 (0.19, 0.22) | 1 |
Currently on ABC | 341/71,917 | 0.47 (0.42, 0.52) | 1.98 (1.72, 2.29) |
Pre-March 2008 | |||
Not currently on ABC | 425/169,417 | 0.25 (0.23, 0.28) | 1 |
Currently on ABC | 247/40,833 | 0.61 (0.53, 0.68) | 1.97 (1.68, 2.33) |
Post-March 2008 | |||
Not currently on ABC | 175/126,225 | 0.14 (0.12, 0.16) | 1 |
Currently on ABC | 94/31,084 | 0.30 (0.24, 0.36) | 1.97 (1.43, 2.72) |
Interaction P value | 0.74 | ||