Variable | Case (N = 75) | Control (N = 75) | t-test | p-value |
Serum magnesium (mmol/L) | 0.5779 (±0.1658) | 0.7296 (±0.1364) | 6.120 | 0.000 |
Age (years) | 28.52 (±4.82) | 31.00 (±4.11) | 3.39 | 0.001 |
Parity | 0.800 | 1.40 | 3.40 | 0.001 |
Gravidity | 2.400 | 3.04 | 2.25 | 0.007 |
No of abortions | 0.56 | 0.60 | 0.00 | 1.00 |
No of children alive | 0.86 | 1.39 | 2.48 | 0.014 |
Gestational age at presentation (weeks) | 36.5 | 28.7 | 10.80 | 0.00 |