Table 3. Clinical characteristics of patients with or without endometrial polyps.

Variable	Polyp (n=50)	Non-polyp (n=70)	P-value
Age (yr)	44.2±4.1	44.0±5.4	0.621
BMI (kg/m2)	21.8±5.8	22.9±5.3	0.894
TMX duration (yr)	2 (0–10)	3 (0–8)	0.319
Stage			0.644
0, I	32 (64.0)	38 (54.3)
II, III	18 (36.0)	32 (45.7)
Tumour size (cm)			0.711
<2	27 (54.0)	34 (48.6)
≥2	23 (46.0)	36 (51.4)
Presence of menstruation	29 (58.0)	33 (47.1)	0.270
Presence of symptom (AUB)	5 (10.0)	25 (35.7)	0.001
EM thickness (mm)	11.9±4.8	10.7±5.2	0.142

Values are presented as mean±standard deviation, median (range), or number (%).

BMI, body mass index; TMX, tamoxifen; AUB, abnormal uterine bleeding; EM, endometrial.