Table 1.
Serum progesterone and maternal characteristics at baseline, for low risk and high risk women with threatened miscarriage
| Variable | Normal Pregnancy [NP] Cohort (n=450) | Threatened Miscarriage [TM] Cohort (n=479) | p-value |
|---|---|---|---|
| Demographics | |||
| Maternal Age (yr) | 30.9 (4.0)a | 30.6 (4.5) | 0.058 |
| Gestational Age (wk) | 8.4 (2.1) | 7.3 (1.4) | <0.0001 |
| Body mass index | 22.9 (4.2) | 23.1 (4.6) | 0.459 |
| Previous Miscarriage (%) | 18.7 | 23.0 | 0.107 |
| Diabetes mellitus (%) | 0.21 | 0.23 | 1.000 |
| Smoking (%) | 2.93 | 4.59 | 0.322 |
| Outcome measures | |||
| Serum Progesterone (nmol/L) | 71.8 (27.2) | 53.6 (25.2) | <0.0001 |
| Miscarriage rate (%) | 5.4 | 21.5 | <0.0001 |
aMean (SD)