Association of uterine artery Doppler, follicle-stimulating hormone, and anti-Müllerian hormone with post-chemotherapy ovarian reserve in reproductive-age colorectal cancer patients

Table 1 Comparison of general characteristics between the two groups, n (%)/mean ± SD

Indicator	Diminished ovarian reserve group (n = 50)	Normal ovarian reserve group (n = 60)	χ2/t	P value
Age, years			0.478	0.489
< 35	16 (32.00)	23 (38.33)
≥ 35	34 (68.00)	37 (61.67)
BMI (kg/m2)	23.26 ± 2.17	23.54 ± 2.36	0.638	0.525
Menarche age, years	12.94 ± 2.56	13.28 ± 2.55	0.703	0.484
Gravidity, times	1.28 ± 0.70	1.53 ± 0.70	1.888	0.062
Menstrual cycle, days	30.30 ± 1.63	29.88 ± 2.10	-1.144	0.255
History of ovarian surgery			-	0.687
No	47 (94.00)	56 (93.33)
Yes	3 (6.00)	4 (6.67)
Disease duration, years	2.12 ± 0.44	2.22 ± 0.52	1.057	0.293
Tumor diameter, cm	2.98 ± 0.57	3.06 ± 0.80	0.629	0.531
Type of chemotherapy			0.178	0.673
Non platinum containing scheme	10 (20.00)	14 (23.33)
Platinum containing scheme	40 (80.00)	46 (76.67)
Tumor staging			0.079	0.779
I-II	27 (54.00)	34 (56.67)
III-IV	23 (46.00)	26 (43.33)
Smoking or not			-	0.753
No	46 (92.00)	54 (90.00)
Yes	4 (8.00)	6 (10.00)
Drinking or not			-	0.726
No	47 (94.00)	55 (91.67)
Yes	3 (6.00)	5 (8.33)

BMI: Body mass index.