Clinical Study

The Efficacy of Lidocaine Spray in Pain Relief during Outpatient-Based Endometrial Sampling: A Randomized Placebo-Controlled Trial

Table 3

Comparison of pain scores in the studies population.

Placebo groupLidocaine group
(N = 70) ()(N = 70) ()
VASseveremildseveremildp-value

Before the procedure2(2.8)68(97.1)1(1.4)69(98.5)0.559
After Tenaculum was placed20(28.5)50(71.4)9(12.8)61(87.1)0.022
Insert Novak curettage39(55.7)31(44.2)27(38.5)43(61.4)0.042
During tissue aspiration55(78.5)15(21.4)42(60)28(40)0.017
15 minutes after the procedure8(11.4)62(88.5)7(10)63(90)0.785
2 hours after the procedure3(4.3)67(95.7)1(1.4)69(98.5)0.31

Statistic significant: p-value <0.05, VAS: visual analog scale, a: Fisher's exact test, and b: Pearson chi-square.