Table 3A. Comparison of the clinical outcomes between the first versus second cycle of each ovarian stimulation protocol group.
Outcomes Group 1
n=88
95% CI of the difference
between
medians
p-value Group 2
n=66
95% CI of the
difference
between
medians
p-value
First cycleGnRH antagonist Second cycleGnRH antagonist First cycle
GnRH antagonist
Second cycle
Simplified
long protocol
Days of stimulation, median (IQR) 9 (8-10) 9 (8-10) 0 to +0.5 0.359 9 (8-10) 12 (11-13) +2 to +3 <0.001
Number of oocytes retrieved, median (IQR) 6 (4-7) 7 (5-11.75) +1 to +3 <0.001 5 (3-6) 7 (5-10) +2 to +4.5 <0.001
Number of metaphase II oocytes, median (IQR) 4 (3-5.75) 4.5 (3-7) 0 to +1.5 0.008 3 (1-4) 4 (3-7) +1.5 to +3 <0.001
Embryos obtained, median (IQR) 1 (0-2) 1 (0-2) 0 to +0.5 0.342 0 (0-1) 1 (0-2) +0.5 to +1 <0.001

n: number; IQR: interquartile range.