Table 1. Correlation between clinical data and pain intensity during the procedure.

Clinical data	95%CI	p value*
Pregnancies	-1,155- -0,139	0,014
Parity	-1,209- -0,015	0,045
No endometrial preparation	-5,304- 0,055	0,055
Cesarean section	-0,258-3,681	0,086
Age	-0,052-0,280	0,173
Formal education	-1,173-2,891	0,397
BMI	-0,129-0,268	0,483
Duration of the procedure	-0,437-0,655	0,688

*p value: Pearson’s statistical significance.

95%CI: 95% confidence interval; BMI: body mass index.