Table 1.
Study population, dispatching statistics and haemodynamics
| Group 1 (n = 102) | Group 2 (n = 697) | p | |
|---|---|---|---|
| Age, years (mean, 95 % CI) | 31.4 (30.3–32.4) | 30.4 (29.9–30.8) | ns |
| Gestational age, weeks (mean, 95 % CI) | 39.6 (39.3–40.0) | 37.0 (36.6–37.4) | <0.0001 |
| Gravidity, n (median, IQR) | 3 (2–4) | 2 (1–4) | 0.0071 |
| Parity, n (median, IQR) | 1 (1–2) | 1 (0–2) | <0.0001 |
| Nulliparous, % (mean, 95 % CI) | 11.8 (5.45–18.1) | 39.6 (36.0–43.2) | <0.0001 |
| Multiparous, % (mean, 95 % CI) | 40.2 (30.5–49.9) | 25.8 (22.6–29.1) | 0.0025 |
| Duration from the start of phone call to ambulance dispatch, sec (mean, 95 % CI) | 147 (133–162) | 190 (175–205) | <0.0001 |
| Duration from dispatch to first unit reaching scene, sec (mean, 95 % CI) | 430 (392–468) | 449 (435–463) | ns |
| Native Finnish, % (mean, 95 % CI) | 54.9 (45.1–64.7) | 43.8 (40.1–47.5) | 0.0348 |
| Maternal heart rate > 100 bpm, % (mean, 95 % CI) | 23.5 (14.3–32.7) | 22.5 (19.2–25.9) | ns |
| Maternal systolic blood pressure < 100 mmHg, % (mean, 95 % CI) | 10.5 (3.9–17.1) | 5.4 (3.6–7.2) | ns |
| Maternal systolic blood pressure < 100 mmHg and heart rate > 100 bpm, % (mean, 95 % CI) | 4.7 (0.1–9.3) | 1.0 (0.2–1.8) | 0.0253 |