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Table 1 Characteristics of women with severe maternal outcome (n = 4243) compared with controls who were discharged without SMO diagnosis (n = 1000)

From: Development and validation of an obstetric early warning system model for use in low resource settings

Variable SMO cases Controls P-Value
Age at baseline, mean (SD) 27·8 (6·5) 26·8 (6·1) < 0·001
Weight on admission, mean (SD) 75·7 (14·9) 67·2 (13·9) 0·002
Height in meters, mean (SD) 1·6 (0·1) 1·6 (0·3) < 0·001
Days on admission, mean (SD) 6·8 (5·2) 1·6 (0·7) 0·040
Number of ANC Visits, mean (SD) 4·6 (3·5) 3·6 (2·9) < 0·001
Last PCV, mean (SD) 27·6 (9·8) 33·3 (5·9) < 0·001
Parity, mean (SD) 4·5 (2·0) 4·4 (1·0) > 0·050
Gestational age in weeks, mean (SD) 35·8 (4·5) 38·4 (4·7) < 0·001