Table 1 Comparison of the clinical characteristics of the prolonged mechanical ventilation group and the non-prolonged mechanical ventilation group
Variables | Median [IQR] / no. (%) | |||
|---|---|---|---|---|
Overall | PMV group | Non-PMV group | P value | |
Number | 143 | 65 | 78 | |
Age, years | 31 (28–36) | 31 (28–34) | 31.5 (28–36) | 0.226 |
BMI, kg/m2 | 27.8 (24.3–30.1) | 27.0 (23.9–29.4) | 28.3 (25.4–30.4) | 0.178 |
Gestational weeks, weeks | 34.9 (30.4–38) | 34.2 (29.2–37.2) | 35 (32–38) | 0.157 |
APACHE II score | 15 (14–18) | 16 (14–20) | 15 (13–18) | 0.008 |
Causes of the admission of ICU, obstetric causes | 90 (62.9%) | 46 (70.8%) | 44 (56.4%) | 0.077 |
Estimated blood loss, L | 1.1 (0.4–3.9) | 2.8 (0.7–6.3) | 0.7 (0.3–2.4) | < 0.001 |
Creatinine, μmol/L | 60 (44–93) | 88 (56–127) | 51 (41–64) | < 0.001 |
AKI | 63 (44.1%) | 48 (73.9%) | 15 (19.2%) | < 0.001 |
Troponin I, pg/mL | 27 (4–183) | 106 (32–321) | 6 (2–30) | < 0.001 |
Myocardial injury | 61 (42.7%) | 47 (72.3%) | 14 (18.0%) | < 0.001 |
TBIL, μmol/L | 14.8 (9.5–27.4) | 20.2 (11.1–39.2) | 12.4 (8.3–22.6) | < 0.001 |
Albumin, g/L | 26.3 (23–29.3) | 25.3 (22.6–28.8) | 26.7 (23.8–29.9) | 0.121 |
BNP, pg/mL | 368 (135–631) | 539 (368–820) | 194 (91–397) | < 0.001 |
WBC, × 109/L | 13.6 (10.1–16.2) | 13.2 (9.7–16.1) | 13.7 (10.7–16.2) | 0.557 |
Platelet, × 1012/L | 74 (40–119) | 66 (37–97) | 88.5 (53.1–138) | 0.026 |
pH | 7.4 (7.4–7.5) | 7.4 (7.4–7.5) | 7.4 (7.4–7.5) | 0.406 |
PaCO2, mmHg | 31.9 (27.4–35) | 33.3 (28.6–36.8) | 30.6 (27–34) | 0.008 |
Bicarbonate, mmol/L | 22.3 (19.7–24.1) | 23.1 (20.7–25.2) | 21.2 (19.2–24.1) | 0.071 |
PaO2/FiO2, mmHg | 322.3 (223.5–441) | 240 (173.3–318.3) | 403.4 (319.8–501.5) | < 0.001 |
Lactate, mmol/L | 1.4 (0.9–2.6) | 1.8 (1.1–3.4) | 1.2 (0.8–1.9) | 0.002 |