Table 2.

Correlations among lnFENO, NNO, and other factors.

	NNO		lnFENO
	r	P	R	P
Sex	0.094	0.307	0.248	0.006a
Age	0.025	0.789	−0.081	0.377
Height	−0.051	0.577	0.144	0.117
Weight	0.045	0.622	0.123	0.181
BMI	0.091	0.323	0.042	0.646
BSA	0.020	0.828	0.147	0.110
lnFENO	0.283	0.002a	/	/
NNO	/	/	0.283	0.002a

lnFENO, FENO log base e; SD, standard deviation; BMI, body mass index; BSA, body surface area; r, correlation coefficient.

^aCorrelation is significant at the 0.01 level (2-tailed).