Decrease in patient length of stay after the addition of PEs
| Year of publication | Study | Decrease in LOS, d | p value |
|---|---|---|---|
| 1990 | Spisso et al. (7) | 1.05 | NR |
| 1998 | Miller et al. (8) | 0.70 (2.5 ICU) | NR |
| 2005 | Meyer and Miers (10) | 1.91 | 0.039 |
| 2006 | Broers et al. (11) | 2.0 | < 0.001 |
| 2011 | Gillard et al. (12) | 0.25 (0.80 ICU) | 0.092 (0.019 ICU) |
| 2014 | Collins et al. (14) | 0.55 | 0.024 |
ICU = intensive care unit; LOS = length of stay; NR = not reported; PE = physician extender.