From: Serum periostin levels in early in pregnancy are significantly altered in women with miscarriage
 | Group I (abortion) |  |  | Group II (control) |  |
---|---|---|---|---|---|
 | n |  | n |  | ttest |
Pregnancy test (PT) | 18 | 22,067.22 ± 1445.5 pg/ml | 23 | 26,736.52 ± 2562.96 pg/ml | ns |
Ultrasound Control (US) | 10 | 21,875.00 ± 1256.55 pg/ml | 17 | 25,855.00 ± 2516.38 pg/ml | ns |