Table 3 ICU characteristics before and after propensity score matching
Entire sample | Propensity Matched Cohort | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
Outcomes | IVA | ITMA | IVA | ITMA | OR (95% CI) | P-Value | ||||
N = 355 | N = 648 | N = 346 | N = 346 | |||||||
Respiratory treatment | ||||||||||
Mechanical ventilation, min a | 505 | (275–1001) | 458 | (206–958) | 501 | (275–994) | 496 | (212–997) | 0.790 b | |
CPAP | 267 | (75.2) | 483 | (74.5) | 260 | (75.1) | 259 | (74.9) | 0.99 (0.70–1.38) | 0.931 |
min per patient treated a | 125 | (75–215) | 120 | (60–240) | 120 | (72.5–213) | 120 | (75–240) | 0.385 b | |
NIV | 81 | (22.8) | 153 | (23.6) | 79 | (22.8) | 75 | (21.7) | 0.94 (0.66–1.33) | 0.722 |
min per patient treated a | 120 | (60–240) | 110 | (60–220) | 120 | (60–240) | 155 | (60–275) | 0.470 b | |
Opioid administration | ||||||||||
Day 1 | ||||||||||
Morphine | 265 | (74.7) | 400 | (61.7) | 258 | (74.6) | 211 | (61.0) | 0.55 (0.40–0.76) | <0.001 |
mg per patient a | 15 | (8–24) | 8.5 | (4–15.5) | 15 | (8–24) | 8.0 | (4–16) | <0.001 b | |
Fentanyl | 119 | (33.5) | 165 | (26.1) | 115 | (33.2) | 92 | (26.6) | 0.69 (0.51–1.00) | 0.052 |
mcg per patient a | 276 | (125–583) | 160 | (75–400) | 276 | (125–601) | 150 | (73–390) | 0.002 b | |
Day 2 | ||||||||||
Morphine | 127 | (39.7) | 196 | (35.1) | 123 | (39.6) | 111 | (35.9) | 0.86 (0.62–1.17) | 0.334 |
mg per patient a | 8.0 | (3–13) | 8.0 | (3–14) | 7.0 | (3–14) | 8.0 | (3–13) | 0.275 b | |
Fentanyl | 50 | (15.6) | 86 | (15.4) | 48 | (15.4) | 50 | (16.2) | 1.05 (0.69–1.59) | 0.831 |
mcg per patient a | 348 | (100–1136) | 175 | (50–641) | 348 | (100–1170) | 188 | (100–545) | 0.500 b | |
Postoperative pain | ||||||||||
Day1 | ||||||||||
Pain score a | 2.9 | (1.3–4.0) | 1.9 | (0.0–3.3) | 3.0 | (1.3–4.0) | 1.8 | (0.0–3.2) | <0.001 b | |
Pain score ≥ 5 | 51 | (15.0) | 50 | (8.1) | 50 | (15.1) | 24 | (7.2) | 0.45 (0.26–0.78) | 0.004 |
Day2 | ||||||||||
Pain score a | 2.4 | (1.0–4.0) | 2.0 | (0.4–3.7) | 2.5 | (1.0–4.0) | 2.0 | (0.1–3.8) | 0.853 b | |
Pain score ≥ 5 | 40 | (17.1) | 42 | (10.7) | 39 | (17.3) | 2753 | (12.1) | 0.75 (0.38–1.46) | 0.400 |