[Table/Fig-1]:

Groups were comparable with respect to sex

			NAC		Total
			Yes	No
SEX	Male	Count	13	37	50
		%	50.0%	50.0%	50.0%
	Female	Count	13	37	50
		%	50.0%	50.0%	50.0%
Total		Count	26	74	100
		%	100.0%	100.0%	100.0%