Table 1. Clinical characteristics of RIF patients and control subjects.
| Characteristic | Control (n = 125) | RIF patients (n = 120) |
|---|---|---|
| Age (y, mean± SD) | 32.75 ± 7.47 | 34.23 ± 3.33 |
| BMI (kg/m2, mean± SD) | 21.72 ± 3.40 | 20.96 ± 2.59 |
| Previous implantation failure (N, mean± SD) | NA | 1.59 ± 0.50 |
| Live birth (N, mean± SD) | 1.78 ± 0.74 | NA |
| Mean gestational age (week, mean± SD) | 39.36 ± 1.66 | NA |
| Confirmed history of RPL (n) | NA | 17 (14.2) |
| tHcy (μmol/L, mean± SD) | NA | 6.56 ± 1.32 |
| Folate (ng/mL, mean± SD) | NA | 15.37 ± 11.23 |
| BUN (mg/dl, mean± SD) | NA | 10.35 ± 2.87 |
| Creatinine (mg/dl, mean± SD) | NA | 0.78 ± 0.1 |
| Uric acid (mg/dl, mean± SD) | NA | 3.93 ± 0.96 |
| Total Cholesterol (mg/dl, mean± SD) | NA | 188.93 ± 44.28 |
Note: RIF, recurrent implantation failure; SD, standard deviation; BMI, body mass index; RPL, recurrent pregnancy loss; NA, not applicable; tHcy, total plasma homocysteine; BUN, blood urea nitrogen