Table 3.

Summary Statistics and Results of Paired t-test and Wilcoxon Ranked Test of Treatment and Control Groups in Relation to Sex, Age, History of NCS, and Comorbidities Using the Wong-Baker Faces Pain Scale

Variable	n	Lidocaine		K-Y		Paired t-test	Wilcoxon ranked test
		Mean	S.D	Mean	S.D	P-value	P-value
Sex
Female	87	3.79	2.38	4.39	2.49	0.014*	0.022*
Male	37	3.78	2.30	4.32	2.77	0.141	0.135
Age
≤ 50	85	3.84	2.43	4.61	2.64	0.008**	0.011*
> 50	39	3.69	2.18	3.85	2.35	0.301	0.341
History of NCS
YES	39	3.95	2.61	4.00	2.64	0.452	0.420
NO	77	3.66	2.28	4.49	2.58	0.004**	0.005**
Comorbidities
YES	44	3.86	2.26	4.32	2.89	0.122	0.178
NO	60	3.70	2.41	4.43	2.50	0.017*	0.020*

Notes: *Indicates statistical significance at α = 0.05, **Indicates statistical significance at α = 0.01.