Table 5.

Results After Letrozole Therapy and after Electroacupuncture + Letrozole Therapy

Variables	Mean ± SD		P
	After letrozole therapy	After EA + letrozole therapy
Follicle day 2 (mm)	5.59 ± 1.06	7.01 ± 1.53	0.004*
Follicle day 6 (mm)	6.71 ± 1.59	9.11 ± 1.23	<0.001*
Follicle day 8 (mm)	9.51 ± 2.68	12.44 ± 1.49	<0.001*
Follicle day 10 (mm)	11.30 ± 3.08	15.53 ± 2.34	<0.001*
Follicle day 12 (mm)	13.92 ± 3.61	19.86 ± 0.75	<0.001*
RI day 19	0.91 ± 0.07	0.88 ± 0.07	0.150
RI day 21	0.88 ± 0.07	0.79 ± 0.09	<0.001*
PI day 19	3.00 ± 0.89	2.30 ± 0.65	0.009*
PI day 21	2.72 ± 0.88	2.02 ± 0.55	0.009*
Endometrial thickness day 12	6.95 ± 1.82	8.22 ± 1.76	0.005*

^* p < 0.05.

SD, standard deviation; EA, electroacupuncture; RI, resistance index; PI, pulsatility index.