Table 1.

Comparison of the mean mucociliary clearance between different groups

	Control group			Study group
	N	Mean	SD	n	Mean	SD
Male	24	10.08	3.64	27	15.89	5.95
Female	16	8.63	3.73	13	14.77	4.81
Total	40	9.50	3.70	40	15.53	5.57

^aMucociliary clearance between males and females in the control group: t = 1.227, p = 0.227

^bMucociliary clearance between males and females in the study group: t = 0.590, p = 0.558

^cDifference in mucociliary clearance between the study and control groups: Z = 4.675, p < 0.001)