Table 1. Baseline Characteristics.
Parameters All (n = 196) No-PT (n=127) PT (n=69) p value
Age (years) * 32.56 (4.9) 33.18 (4.75) 31.42 (5.08) NS a
BMI (kg/m2) ** 23.34 (21.25-26.29) 23.14 (21.08-26.64) 23.44 (21.35-26.07) NS b
Low ovarian reserve *** 23 (11.7%) 14 (11%) 9 (13%) NS c
Indication ***
Cryopreservation
PGT
Infertility and others
75 (38.3%)
51 (26%)
70 (35.7%)
67 (52.8%)
6 (4.7%)
54 (42.5%)
8 (11.6%)
45 (65.2%)
16 (23.3%)
p <0.001 c
PT type ***
CHC
GnRH agonist
Estrogen supplements
GnRH antagonist + Estrogen priming
Progesterone supplements
33 (47.8%)
24 (34.8%)
5 (7.2%)
4 (5.8%)
3 (4.3%)

* Data are expressed as mean (+SD)
** Data are expressed as median (interquartile range)
*** Data are expressed as number (percentage)
a Univariate analysis using Student’s t-test
b Univariate analysis using Mann-Whitney U test
c Chi-square test