Table 4.
Risk periods | Number of hospitalizations for pneumonia | Person-years | Adjusted* rate ratios (95% CI) |
---|---|---|---|
Baseline unexposed to a proton pump inhibitor | |||
Unexposed |
4680 |
16676 |
1.0 |
Pre-exposure to a proton pump inhibitor | |||
Pre 1–30 days |
438 |
347 |
5.71 (5.37 – 6.07) |
Pre 31–60 days |
161 |
319 |
2.30 (2.11 – 2.51) |
Pre 61–120 days |
141 |
530 |
1.21 (1.11 – 1.33) |
Post-exposure to proton pump inhibitors | |||
1–7 days |
52 |
81 |
2.87 (2.49 – 3.32) |
8–30 days |
112 |
262 |
1.95 (1.76 – 2.16) |
>30 days | 944 | 2786 | 1.55 (1.46 – 1.65) |
* Adjusted for time-varying age and study year only.