Table 1

Peak and plateau levels of expired nitric oxide (PNO and PLNO) in the study population and controls

		Mean (SD)		Mean differences vs controls	95% Confidence intervals
		Mean (SD)		Mean differences vs controls	+	−
PNO (ppb)
Group 1	22.33 (12.62)	−1.91	9.12	−12.95
Group 2	19.97 (14.81)	−4.27	8.02	−16.56
Group 3	27.56 (13.95)	3.32	13.96	−7.33
Controls	24.24 (9.09)
PLNO (ppb)
Group 1	5.53 (2.93)^1-150	−3.92	−0.73	−6.40
Group 2	5.75 (3.52)^1-150	−3.71	−0.20	−6.49
Group 3	7.07 (2.75)	−2.39	0.44	−4.50
Controls	9.46 (2.79)

PLNO: general effect of one way ANOVA, F (3.66) = 4.9 (p<0.01).
↵1-150 Significant post hoc difference at p<0.05 levels (groups 1 and 2 versus group 3 and control).