Table 1 Comparison of indicators for high-risk deliveries before and after the introduction of delivery fees, all variables included

Number of births, total

16,375

12,226

Number of births per month, mean (CI)

399 (390–409)

330 (317–344)

< 0.001

No antenatal care visit

122 (0.7 (0.6–0.9))

133 (1.1 (0.9–1.3))

0.002

2 (0)

Multi pregnancy

553 (3.6 (3.3–3.9))

483 (4.0 (3.6–4.3))

0. 108

933 (3.3)

Presentation other than cephalic^c

1077 (6.6 (6.2–7.0))

584 (4.8 (4.4–5.2))

< 0.001

8 (0)

Birth weight in gr, mean (CI)

3099 (3092–3107)

3277 (3268–3287)

< 0.001

374 (1.3)

Birth weight <  2500 g

1301 (8.0 (7.5–8.4))

769 (6.3 (5.9–6.7))

< 0.001

0

Birth weight >  4000 g

385 (2.4 (2.1–2.6))

718 (5.9 (5.5–6.3))

< 0.001

0

Gestation week, mean (CI)

36.4 (36.4–36.5)

38.4 (38.4–38.5)

Discarded from analysis

1052 (3.7)

Macerated stillbirth

185 (1.1 (1.0–1.3))

157 (1.3 (1.1–1-5))

0.157

0

Spontaneous vaginal delivery

12,732 (82.2 (81.7–82.9))

9159 (74.9 (74.1–75.7))

< 0.001

891 (3.1)

Labour complications

2525 (15.4 (14.9–16.0))

2895 (23.7 (22.9–24.4))

< 0.001

0

 - Bleeding before labour

86 (0.5 (0.4–0.6))

88 (0.7 (0.6–0.9))

0.036

 - Pre-Eclampsia/Eclampsia

58 (0.4 (0.3–0.4))

66 (0.5 (0.4–0.7))

0.018

 - Obstructed labour

868 (5.3 (5.0–5.6))

548 (4.5 (4.1–4.8))

0.002

 - Vacuum extraction

130 (0.8 (07.-0.9))

25 (0.2 (0.1–0.3))

< 0.001

 - Uterine rupture

17 (0.1 (0.1–0.2))

24 (0.2 (0.1–0.3))

0.056

 - Cord prolaps

93 (0.6 (0.5–0.7))

94 (0.8 (0.6–0.9))

0.037

 - Caesarean section

2329 (14.2 (13.7–14.8))

2808 (23.0 (22.2–23.7))

< 0.001

Fetal heart rate status on admission abnormal or not measured

1085 (6.6 (6.2–7.0))

2308 (18.9 (18.2–19.6))

< 0.001

2 (0)

 - Abnormal

461 (2.8 (2.6–3.0))

569 (4.7 (4.3–5.0))

< 0.001

 - Non-detectable

310 (1.9 (1.7–2.1))

231 (1.9 (1.6–2.1))

0.920

 - Not measured

314 (1.9 (1.7–2.1))

1508 (12.3 (11.8–12.9))

< 0.001