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Table 1 Demographic data regarding the patients (n = 336) participating in IVF/ICSI treatment of different age groups.

From: Impact of female age and male infertility on ovarian reserve markers to predict outcome of assisted reproduction technology cycles

  Age < 35
(n = 213)
Age ≥ 35
(n = 123)
P value
Chronologic age (years) 30.8 ± 0.2 38.6 ± 0.2 < 0.001a
Baseline FSH level (IU/L) 7.60 ± 0.26 9.63 ± 0.47 < 0.001a
Antral follicle count 7.8 ± 0.3 4.2 ± 0.3 < 0.001a
Baseline AMH level (ng/ml) 2.73 ± 0.13 1.85 ± 0.15 < 0.001a
Duration of infertility (years) 3.2 ± 0.2 4.7 ± 0.3 < 0.001a
Body mass index (kg/m2) 21.4 ± 0.2 22.0 ± 0.3 0.086a
Etiology of infertility    
   Tubal factor 31 (14.6%) 22 (17.9%) 0.519b
   Other female factor 31 (14.6%) 35 (28.5%) 0.003b
   Male factor 111 (52.4%) 40 (32.5%) < 0.001b
   Mixed 34 (16.0%) 24 (19.5%) 0.504b
   Unexplained 6 (2.8%) 2 (1.6%) 0.922c
  1. The data are presented as the mean ± SD or percentage.
  2. a. Comparison of the two groups by Student's t-test
  3. b. Comparison by X2 test
  4. c. Comparison by Fischer's exact test