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Table 1 Descriptive statistics of the study population

From: Personalized prediction of live birth prior to the first in vitro fertilization treatment: a machine learning method

Characteristics Total
N = 7188
Mean ± SD/N (%)
Live birth
N = 2797
Mean ± SD/N (%)
No live birth
N = 4391
Mean ± SD/(%)
P-value
Age (years) 32.66 ± 4.96 30.63 ± 3.59 33.96 ± 5.26 < 0.001
AMH (ng/ml) 4.05 ± 3.61 5.25 ± 4.03 3.29 ± 3.10 < 0.001
Duration of infertility 4.2 ± 3.19 3.80 ± 2.64 4.45 ± 3.47 < 0.001
BMI (kg/m2) 23.32 ± 3.76 23.14 ± 3.63 23.44 ± 3.83 0.001
Previous live birth 647 (9.0) 131 (4.7) 516 (11.9) < 0.001
Previous miscarriage 1544 (21.5) 464 (16.6) 1080 (24.6) < 0.001
Previous abortion 998 (13.9) 356 (12.7) 642 (14.6) 0.024
Type of infertility
 Tubal 3824 (53.2) 1546 (55.3) 2278 (51.9) 0.005
 Anovulatory 1785 (24.8) 521 (18.6) 1264 (28.8) < 0.001
 Male factor 2960 (41.2) 1271 (45.4) 1689 (38.5) < 0.001
 Others 353 (4.9) 131 (4.7) 222 (5.1) 0.476
 Unexplained 202 (2.8) 57 (2.0) 145 (3.3) 0.002