Table 2 Case mix, outcome and activity for obstetric and non-obstetric admissions to critical care units
All obstetric admissions (n = 1902) | Direct obstetric admissions (n = 1452) | Indirect or coincidental obstetric admissions (n = 450) | Female nonobstetric admissions aged 16–50 years (n = 22,938) | |
|---|---|---|---|---|
Case mix | ||||
Age (years)a | 30 (25–34) [16–50] | 30 (25–34) [16–47] | 29 (24–34) [16–50] | 37 (28–44) [16–50] |
APACHE II APSb,d | 10.8 (5.5) [0–41] | 10.7 (5.3) [0–41] | 11.2 (5.8) [0–34] | 12.7 (6.9) [0–50] |
APACHE II scored | 10.9 (5.5) [0–41] | 10.8 (5.4) [0–41] | 11.4 (6.0) [2–39] | 13.7 (7.3) [0–50] |
Surgical statusc | ||||
Nonsurgical | 862 (45.4) | 630 (43.4) | 232 (51.6) | 16,246 (70.9) |
Elective surgery | 145 (7.6) | 75 (5.2) | 70 (15.5) | 3550 (15.5) |
Emergency surgery | 893 (47.0) | 745 (51.4) | 148 (32.9) | 3123 (13.6) |
Outcome | ||||
Mortalityc | ||||
CMP unit (ICU) | 44 (2.3) | 25 (1.7) | 19 (4.2) | 3372 (14.7) |
Any hospitale | 58 (3.1) | 32 (2.2) | 26 (6.0) | 4206 (19.6) |
Activity | ||||
Length of stay (days) | ||||
CMP unit (survivors) | 1.1 (0.7–2.3) [0–72] | 1.1 (0.7–2.1) [0–41] | 1.1 (0.6–2.7) [0–72] | 1.5 (0.8–3.8) [0–209] |
CMP unit (nonsurvivors) | 1.3 (0.5–4.5) [0–59] | 1.1 (0.3–10.3) [0–59] | 1.5 (0.6–3.2) [0–21] | 1.8 (0.7–5.2) [0–165] |
Any hospitale (survivors) | 10 (6–15) [0–417] | 9 (6–14) [1–417] | 11 (6–20) [0–373] | 12 (6–27) [0–767] |
Any hospitale (nonsurvivors) | 4.5 (2–13) [0–79] | 6 (1.5–14) [0–62] | 3.5 (2–10) [0–79] | 5 (2–16) [0–669] |
Readmissionsc | 17 (0.9) | 7 (0.5) | 10 (2.2) | 945 (4.1) |