Table 1 Baseline characteristics of the 2,373 patients admitted to the surgical ICU
Variable | Period 1 (non-intervention) (n = 327) | Period 2 (intervention) (n = 314) | P value | Period 3 (non-intervention) (n = 899) | Period 4 (intervention) (n = 833) | P value |
|---|---|---|---|---|---|---|
Age (mean ± SD) | 62 ± 18 | 65 ± 17 | 0.060 | 61 ± 18 | 62 ± 18 | 0.234 |
Age >65 (years) | 163 (49.8) | 177 (56.4) | 0.098 | 424 (52.9) | 408 (51.1) | 0.450 |
Male | 204 (62.4) | 189 (60.1) | 0.569 | 543 (60.4) | 481 (57.7) | 0.261 |
Pre-ICU LOS (mean ± SD) | 4.1 ± 7.7 | 5.5 ± 12.4 | 0.104 | 3.5 ± 7.4 | 3.2 ± 6.7 | 0.310 |
APACHE II (median) | 16 | 15 | 0.368 | 10 | 10 | 0.263 |
APACHE II >15 | 182 (55.7) | 157 (50) | 0.151 | 271 (30.2) | 260 (31.3) | 0.630 |
Endotracheal intubation | 58 (17.7) | 50 (15.9) | 0.540 | 124 (13.7) | 102 (12.2) | 0.340 |
Operation | 210 (64.2) | 229 (72.9) | 0.018 | 680 (75.6) | 594 (71.3) | 0.036 |
CVC catheter | 164 (50.1) | 169 (53.8) | 0.353 | 451 (50.1) | 395 (47.4) | 0.253 |
Foley catheter | 128 (39.1) | 104 (33.1) | 0.113 | 300 (33.3) | 305 (36.6) | 0.157 |
Double lumen catheter | 11 (3.4) | 11 (3.5) | 0.923 | 36 (4) | 27 (3.2) | 0.397 |