Factor | Control group | Case group | P value |
---|---|---|---|
Patient age (years) | (32.68 ± 4.78) | (33.06 ± 4.24) | 0.738 |
Gestational age (weeks) | 6.53 ± 1.24 | 6.65 ± 1.32 | 0.637 |
Crown-rump length (mm) | (7.98 ± 8.43) | (8.65 ± 8.63) | 0.597 |
Number of caesarean sections | 1.39 ± 0.53 | 1.35 ± 0.48 | 0.692 |
Number of abortions | 1.51 ± 1.31 | 1.94 ± 1.28 | 0.105 |
Mean gestational sac diameter (mm) | (24.99 ± 10.80) | (30.07 ± 11.16) | 0.024 |
RMT (mm) | (3.33 ± 1.52) | (2.01 ± 0.84) | 0.000 |
Percentages of the total number of grade 2 and 3 blood flow | 36.7% (18/49) | 67.3% (33/49) | 0.002 |
Percentages of cases with normal heartbeat | 69.4% (34/49) | 57.1% (28/49) | 0.209 |
Percentages of type I CSP | 38.8% (19/49) | 14.3% (7/49) | 0.006 |
Percentages of type III CSP | 10.2% (5/49) | 34.7% (17/49) | 0.004 |