Table 1 Baseline characteristics of NOA patients in the two datasets
Dataset 1 | Dataset 2 | |
|---|---|---|
Mean ± SD or median (IQR) | Mean ± SD or median (IQR) | |
Age (year) | 29.0(27.0,32.0) | 30.0(27.0,32.0) |
FSH (IU/l) | 6.7(4.0,14.6) | 26.90(20.18,37.50) |
Infertility time (year) | 2.0(1.0,3.0) in 714 | |
Testicular volume (ml) | 12.0(10.0,16.0) | 5.3(2.6,7.1) |
Estrogen (pg/ml) | 30.0(23.9,37.6) in 742 | 28.25(20.32,34.52) |
Testosterone (ng/ml) | 3.5(2.6,4.8) in 767 | 2.91(1.78,3.85) |
LH (IU/l) | 4.1(2.8,6.0) in 753 | 9.60(6.18,17.50) |
Johnsen score | 2.0(2.0,4.0) in 107 | 1.00(1.00,1.75) |
Primary infertility (%, n) | (91.86%, 666) | |
Epididymis abnormality (%, n) | (23.12%,169) | |
Chromosomal abnormality (%, n) | (5.79%,7) in 121 | |
Sperm retrieval failure (%, n) | (39.92%,307) | (65.7%, 92) |