Table 2. Results of Generalized Linear Models tested (Gamma distribution).
Model Predictors _______
Exp (B)
Wald’s chi-square p Chi-square p
Model 1 (Number of oocytes retrieved) Constant 23.49 27.75 .000 69.78(5) .000
Vitamin D 0.933 0.615 .433
Model 2 (M2) Constant 19.651 23.24 .000 59.58(5) .000
Vitamin D 0.941 0.440 .507
Model 3 (Follicles ≥ 15mm) Constant 19.81 25.194 .000 64.60(5) .000
Vitamin D 0.972 0.092 .761
Model 4 (Follicles 10-14 mm) Constant 9.217 17.629 .000 44.123(5) .000
Vitamin D 0.952 0.403 .526
Model 5 (Total UI FSH) Constant 289.823 802.478 .000 23.212(5) .000
Vitamin D 0.944 1.058 .331
Model 6 (Duration of stimulation) Constant 205.703 8.877 .000 14.519(5) .013
Vitamin D 1.009 0.977 .315

All models presented were controlled by the presence or absence of endometriosis, BMI, AMH and age.
Chi-square = chi-square of the likelihood ratio; p = statistical significance.