Skip to main content

Table 2 Rates and estimated annual percentage change of severe PPH at Oslo University Hospital (n = 96 313 total deliveries)

From: Exploring trends of severe postpartum haemorrhage: a hospital-based study

 

n

Rate per 1000 deliveries

(95% CI)

Estimated annual percentage change (95% CI)1, P value

Age-adjusted estimated annual percentage change (95% CI)12, P value

Severe PPH

2621

27.2 (26.2–28.3)

6.0 (4.6–7.5), < 0.001

5.9 (4.4–7.4), < 0.001

Blood transfusion

2034

21.1 (20.2–22.1)

6.3 (4.7-8.0), < 0.001

6.2 (4.6–7.8), < 0.001

Transfusion ≥ 4 units of blood products

679

7.01 (6.5–7.6)

8.4 (5.5–11.3), < 0.001

8.0 (5.2–10.9), < 0.001

Transfusion ≥ 6 units of red blood cells

181

1.9 (1.6–2.2)

4.5 (0.8–10.0), 0.10

3.9 (1.3–9.4), 0.14

Maternal near miss

211

2.2 (1.9–2.6)

4.6 (0.3–9.7), 0.06

4.0 (0.8–9.1), 0.11

  1. PPH, postpartum haemorrhage; CI, confidence interval
  2. 1Estimated annual percentage change, assuming a linear trend based on Poisson regression
  3. 2Adjusted for age by including age in the model (< 30, 30–39, 40 + years)
Back to article page

BMC Pregnancy and Childbirth

ISSN: 1471-2393

Contact us