Table 3.
Characteristics of Included Studies
| References | Country | Type of Study | Total | ICU LOS (Days) | Hospital LOS (Days) | Duration of Mechanical Ventilation | Confirmed VAP Cases | Mortality | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Early | Late | Early | Late | Early | Late | Early | Late | Early | Late | Early | Late | |||
| Alsherbini 201928 | USA | Retrospective | 44 | 96 | 15(7.66*) | 21.13(8.42) | NA | NA | 13.40(9.40) | 18.20(8.30) | NA | NA | NA | NA |
| Bösel 20134 | Germany | Prospective | 30 | 30 | 14.35(5.44) | 17.42(6.22) | NA | NA | 13.93(5.44) | 12.00(6.23) | NA | NA | 3 | 14 |
| Catalino 201829 | USA | Retrospective | 15 | 33 | 20.10(10.60) | 31.50(28.10) | 28.50(12.50) | 44.40(33.70) | 7.30(7.20) | 15.20(6.60) | 6 | 12 | 5 | 2 |
| Chen 201930 | China | Retrospective | 316 | 109 | NA | NA | 21.05(11.91) | 28.87(15.40) | NA | NA | NA | NA | 6 | 4 |
| Gessler 201531 | Germany | Retrospective | 39 | 109 | NA | NA | NA | NA | 17.40(8.68) | 22.30(7.75) | 11 | 15 | 3 | 8 |
| Hallan 202227 | Multiple countries | Retrospective | 1210 | 1210 | NA | NA | NA | NA | NA | NA | 665 | 725 | 219 | 221 |
| Böse 202219 | Multiple countries | Prospective | 177 | 189 | 18.40(10.46) | 19.70(8.96) | 26.80(19.43) | 29.15(20.17) | 14.0(8.96) | 12.40(4.77) | NA | NA | 26 | 29 |
| Villwock 201432 | USA | Retrospective | 5591 | 7574 | NA | NA | 29.10(24.40) | 36.80(26.00) | NA | NA | 346 | 644 | 699 | 894 |
Note: *Two decimal points are reserved.
Abbreviations: NA, not available; ICU, intensive care unit; LOS, length of stay; VAP, ventilator-associated pneumonia.