Table 1. Demographic characteristics of patients in long and short protocol group.

Variable	Groups		P
	Long Protocol Group	Short Protocol Group
No. of cycles
<31 years	2140	87	/
31–35 years	1906	179	/
36–40 years	816	249	/
>40 years	90	195	/
Body Mass Index (kg/m2)
<31 years	20.68 ± 2.47	20.68 ± 2.36	ns
31–35 years	21.16 ± 2.52	21.28 ± 2.61	ns
36–40 years	21.75 ± 2.59	21.87 ± 2.37	ns
>40 years	22.17 ± 2.35	22.29 ± 3.06	ns
Primary infertility (n, %)
<31 years	59.81% (1280/2140)	54.02% (47/87)	ns
31–35 years	40.89% (875/2140)	45.81% (82/179)	ns
36–40 years	37.50% (306/816)	30.92% (77/249)	ns
>40 years	34.44% (31/90)	23.08% (45/195)	ns
Duration of infertility (years)
<31 years	3.43 ± 2.03	3.36 ± 2.45	ns
31–35 years	4.57 ± 2.63	5.54 ± 2.87	ns
36–40 years	6.43 ± 3.93	6.91 ± 4.47	<0.05
>40 years	7.37 ± 5.06	7.23 ± 5.09	ns
No. of IVF cycles (n, %)
<31 years	51.73% (1107/2140)	60.92% (53/87)	ns
31–35 years	42.08% (802/1906)	68.16% (122/179)	<0.05
36–40 years	58.82% (480/816)	55.02% (137/249)	ns
>40 years	46.67% (42/90)	58.97% (115/195)	ns

Note: NS = not statistically significant. Values presented as mean ± SD unless otherwise specified.