. Author manuscript; available in PMC: 2017 Apr 1.

Published in final edited form as: Laryngoscope. 2015 Nov 3;126(4):923–927. doi: 10.1002/lary.25609

Table 1.

Comparison of patient characteristics among included and excluded patients

Characteristics		Included (n=31)	Excluded (n=24)	P
Age, median years (IQR)		61 (52 – 72)	72 (57 – 76.5)	0.07
Gender	Male	83.9%	95.8%	0.16
	Female	16.1%	4.2%
Ever smokers	Yes	61.3%	66.7%	0.68
	No	38.7%	33.3%
Alcohol use	Yes	19.4%	33.3%	0.49
	No	74.2%	62.5%
	NR^*	6.4%	4.2%

NR: not recorded