Item | EMT≤7.5 mm | EMT 7.6-12 mm | EMT 12> mm | P value |
No. of cases | 181 | 1714 | 952 | |
Maternal age (year) | 30(28,35) | 29(27,33) | 29(27,33) | 0.12 |
Body mass index(kg/m2) | 23.4(20.8,25.0) | 22.7(20.7,25.0) | 22.8(20.9,25.3) | 0.46 |
Duration of infertility (year) | 3.0(1.5,4.0) | 3.0(2.0,5.0) | 3.0(2.0,5.0) | 0.29 |
Type of infertility | 0.25 | |||
Primary infertility | 50.3 (91/181) | 48.4 (829/1714) | 45.4 (432/952) | |
Secondary infertility | 49.7 (90/181) | 51.6 (885/1714) | 54.6 (520/952) | |
Infertility diagnosis | 0.06 | |||
Tubal factor | 38.1 (69/181) | 40.7(698/1714) | 35.0 (333/952) | |
Male factor | 26.5 (48/181) | 24.0 (411/1714) | 27.0 (257/952) | |
Others | 35.4 (64/181) | 35.3 (605/1714) | 38.0 (362/952) | |
Basal FSH(IU/L) | 6.6(5.2,7.8) | 6.7(5.5,8.1) | 6.8(5.6,8.0) | 0.33 |
Number of antral follicle count | 15(10,18) | 15(11,19) | 15(11,19) | 0.47 |
Methods of ART (%) | 0.07 | |||
IVF | 73.5(133/181) | 73.0 (1251/1714) | 68.9 (656/952) | |
ICSI | 26.5 (48/181) | 27.0 (463/1714) | 31.1 (296/952) | |
COH protocols (%) | 0.88 | |||
GnRH-a protocol | 70.7(128/181) | 71.8(1230/1714) | 70.9(675/952) | |
GnRH-anti protocol | 29.3(53/181) | 28.2(484/1714) | 29.1(277/952) | |
Duration of ovarian stimulation (d) | 12(10,14) | 13(12,15) | 13(12,15) | 0.17 |
Dosage of gonadotropins(IU) | 2550(2025,3562) | 2475(1950,3300) | 2475(1900,3300) | 0.87 |
Serum estradiol on the trigger day (pg/ml) | 3003.0(1966.5,4532.5) | 3077.9(2097.5,4607.3) | 3190.5(3123.5,4677.3) | 0.39 |
No. of oocytes retrieved | 10(7,13) | 11(8,13) | 11(8,14) | 0.10 |
Note: Data are presented as median (P25,P75) for continuous variable and n (%) for categorical variable | Note: Data are presented as median (P25,P75) for continuous variable and n (%) for categorical variable | Note: Data are presented as median (P25,P75) for continuous variable and n (%) for categorical variable | Note: Data are presented as median (P25,P75) for continuous variable and n (%) for categorical variable | Note: Data are presented as median (P25,P75) for continuous variable and n (%) for categorical variable |