Table 1.
Propensity score matching for age, body mass index, and comorbidities in case and control groups
| Variable | Before matching |
After matching |
|||||
|---|---|---|---|---|---|---|---|
| Control group 1 (n=107) | Case group 2 (n=83) | ASD | P value | Control group 1 (n=107) | Case group 2 (n=83) | ASD | |
| Age, y | 36.46±6.89 | 31.97±6.24 | 68.26 | .001 | 34.17±7.37 | 34.17±6.49 | 0.00 |
| DM (type I or II) | 4.67 | 4.82 | 0.69 | 1.000 | 4.24 | 4.24 | 0.00 |
| Hypertension | 7.48 | 4.82 | 11.08 | .556 | 5.60 | 5.60 | 0.00 |
| Asthma | 10.28 | 8.43 | 6.34 | .804 | 8.34 | 8.34 | 0.00 |
| BMI, kg/m2 | 28.25±6.30 | 27.97±6.41 | 4.40 | .752 | 28.02±6.25 | 28.02±6.63 | 0.00 |
Data are presented as percentages and mean±standard deviation.
ASD, absolute standardized difference; BMI, body mass index; DM, diabetes mellitus.
Badr. Coronavirus disease 2019 in pregnancy. Am J Obstet Gynecol 2020.