Table 2.
Mortality rates stratified for risk of mortality and exposure to chlorhexidine oral care
| High chlorhexidine oral care | Low chlorhexidine oral care | No chlorhexidine oral care | p value | |
|---|---|---|---|---|
| All patients (n = 82,274) | 571/3053 (18%) | 870/8080 (11%) | 954/71,141 (1%) | < 0.001 |
| Risk of mortality category | ||||
| 1. Minor (n = 53,233) | 4/450 (1%) | 34/2214 (2%) | 53/50,569 (0.1%) | < 0.001 |
| 2. Moderate (n = 19,154) | 46/790 (6%) | 161/3050 (5%) | 254/15,314 (2%) | < 0.001 |
| 3. Major (n = 7417) | 133/856 (16%) | 273/1874 (15%) | 402/4687 (9%) | < 0.001 |
| 4. Extreme (n = 2470) | 388/957 (41%) | 402/942 (43%) | 245/571 (43%) | 0.55 |