Table 1 General characteristics for the three groups
From: The effect of fertility stress on endometrial and subendometrial blood flow among infertile women
Parameter | Control (n = 80) | Low-scoregroup (n = 150) | High-scoregroup (n = 150) |
|---|---|---|---|
Age (y) | 31.5 ± 4.6 | 29.6 ± 4.1 | 30.1 ± 4.5 |
Residence | |||
Urban | 41 (51.2%) | 66 (44.0%) | 70 (46.6%) |
Rural | 39 (48.7%) | 84 (56.0%) | 80 (53.4%) |
Infertility duration (y) | — | 1.91 ± 0.80 | 2.05 ± 0.94 |
Type of infertility | |||
Primary infertility | — | 95 (63.3%) | 92 (61.3%) |
Secondary infertility | — | 55 (36.6%) | 58 (38.6%) |
Cause of infertility | |||
Female | — | 75 (50.0%) | 84 (56%) |
Male | — | 34 (22.6%) | 35 (23.3%) |
Mixed | — | 21 (14.0%) | 16 (10.6%) |
Unexplained | — | 20 (13.3%) | 15 (10.0%) |
History of childbearing | |||
Yes | 14 (17.5%) | 24 (16.0%) | 20 (13.3%) |
No | 66 (82.5%) | 126 (84.0%) | 130 (86.7%) |
Examination date, menstrual cycle (d) | 9.60 ± 2.25 | 9.68 ± 2.22 | 9.61 ± 2.20 |