Table 4.

Estimated relative risk of mild and severe thrombocytopenia for severe hypertension, utero-placental dysfunction, and maternal organ damage except thrombocytopenia

	eRR	95 % CI	p value
Severe hypertension
Agea	1.02	0.93–1.11	0.689
Mild thrombocytopeniab	1.06	0.86–1.30	0.597
Severe thrombocytopeniab	0.81	0.55–1.18	0.273
Utero-placental dysfunction
Agea	1.03	0.86–1.23	0.734
Mild thrombocytopeniab	1.16	0.74–1.82	0.512
Severe thrombocytopeniab	1.01	0.52–1.96	0.977
Maternal organ damage except thrombocytopenia
Agea	0.99	0.79–1.25	0.949
Mild thrombocytopeniab	0.97	0.41–2.26	0.939
Severe thrombocytopeniab	4.46	2.59–7.68	< 0.001

^a: Estimated relative risk of 5 years increase in age

^b: Reference is normal platelet count (> 100 × 10⁹/L)

Mild thrombocytopenia, platelet count < 150 × 10⁹/L and ≥ 100 × 10⁹/L; severe thrombocytopenia, platelet count < 100 × 10⁹/L

eRR estimated relative risk; CI confidence interval