Table 1. Analysis of maternal and paternal age distribution in the study’s target population across assisted reproductive technology (ART) procedures: minimum and maximum age, mean and standard deviation.
Intrauterine insemination (IUI)
Beta-hCG [positive(≤0.2mUI/ml) / negative (<0.2mUI/ml)] Gestacional sacs
(presence/ absence)		 Full-term births
(yes/no)
|Z| value p value Significance |Z| value p value Significance |Z| value p value Significance
Age (years)
Maternal
Paternal
1045.0
0.44
0.29
0.65
ns
ns
1022.0
0.69
0.30
0.48
ns
ns
1983.0
1281.0
0.04
02
*
ns
In vitro fertilization (IVF)
Beta-hCG [positive(≤0.2mUI/ml) / negative (<0.2mUI/ml)] Gestacional sacs
(presence/ absence)		 Full-term births (yes/no) Fertilization rate
(ranging from 0-1)
|Z| value p value Significance |Z| value p value Significance |Z| value p value Significance |Z| value p value Significance
Age (years)
Maternal
Paternal
0.41
0.84
0.67
0.39
ns
ns
1263.0
0.61
0.20
0.53
ns
ns
1517.0
2032.0
0.12
0.04
ns
*
0.33
1288.0
0.73
0.20
ns
ns
Intracytoplasmic sperm injection (ICSI)
Beta-hCG [positive(≤0.2mUI/ml) / negative (<0.2mUI/ml)] Gestacional sacs
(presence/ absence)		 Full-term births (yes/no) Fertilization rate
(ranging from 0-1)
|Z| value p value Significance |Z| value p value Significance |Z| value p value Significance |Z| value p value Significance
Age (years)
Maternal
Paternal
1955.0
0.55
0.05
0.57
ns
ns
1603.0
0.21
0.10
0.83
ns
ns
1506.0
0.00
0.13
0.99
ns
ns
0.29
0.36
0.76
0.71
ns
ns
IUI + IVF + ICSI
Beta-hCG [positive (≤0.2mUI/ml) / negative (<0.2mUI/ml)] Gestacional sacs
(presence/ absence)		 Full-term births (yes/no) Fertilization rate
(ranging from 0-1)
|Z| value p value Significance |Z| value p value Significance |Z| value p value Significance |Z| value p value Significance
Age (years)
Maternal
Paternal
1281.0
1527.0
0.20
0.12
ns
ns
0.47
0.59
0.63
0.54
ns
ns
0.00
1544.0
0.98
0.12
ns
ns
0.29
1756.0
0.76
0.08
ns
ns

*=significant difference (p<0.05) and ns=non-significant difference.