Table 1 Demographic characteristics of the tubal HP and control groups.
Demographic characteristics | The tubal HP group (n = 446) | The control group (n = 446) | P-value |
|---|---|---|---|
Median maternal age (range, year) | 30.0 (22–47) | 30.0 (21–45) | 0.492 |
Type of cycle | Â | Â | 0.985 |
Fresh, % (n) | 72.6% (324) | 71.5% (319) | Â |
Frozen, % (n) | 27.4% (122) | 28.5% (127) | Â |
Artificial cycle | 7.8% (35) | 8.1% (36) | Â |
Natural cycle | 17.0% (76) | 17.7% (79) | Â |
Controlled ovarian stimulation cycle | 2.5% (11) | 2.7% (12) | Â |
Number of embryos transferred | Â | Â | 0.803 |
2, % (n) | 91.9% (410) | 92.4% (412) | Â |
3, % (n) | 8.1% (36) | 7.6% (34) | Â |
Embryo grade | Â | Â | 0.555 |
Moderate, % (n) | 28.0% (125) | 29.8% (133) | Â |
Good, % (n) | 72.0% (321) | 70.2% (313) | Â |
Median gestational age at diagnosis time (range, weeks) | 6+ 3 (5+ 1,11+ 3) | 6+ 3 (5+ 2,11+ 1) | 0.520 |
