Clinical Study

Effect of Salt-Bromide-Iodine Thermal Water Inhalation on Functional and Biochemical Lung Parameters

Table 4

Effect of 12 days treatment with salt-bromide-iodine thermal water on flow-dependent NO parameters (FENO50, FENO100, FENO150, FENO350, J ′ a w , N O , C A , N O ).

VariableAlveolar diseasesBronchial diseases
BTAT # 𝑃 valueBTAT # 𝑃 value

FENO50 (ppb)25 (13.3–37.8)26 (16.7–44.5)ns24 (17–52)20 (17–31)ns
FENO100 (ppb)18 (14–28)18.5 (12–22.8)ns17 (12.5–24)16 (11–26)ns
FENO150 (ppb)12 (11.5–23.5)11.5 (9.7–23.5)ns15.5 (10–22)12.5 (10.5–18.5)ns
FENO350 (ppb)10 (6.5–10.5)9 (5.5–12.8)nsNDNDND
J ′ a w , N O (nL/min)54.8 (35.7–112)65 (37.8–92.2)ns54.4 (35.8–80.6)33.5 (24.0–73.8)ns
C A , N O (ppb)6.6 (3.1–12.2)6.2 (4–9.6)ns7.4 (3.4–19.6)9.4 (5–15.6)ns

Data expressed as median IQR; IQR: interquartile range; #Wilcoxon rank-sum test; BT: before treatment; AT: after treatment; FENO50: fractional nitric oxide concentration at flow rate of 50 mL/s; FENO100: fractional nitric oxide concentration at flow rate of 100 mL/s; FENO150: fractional nitric oxide concentration at flow rate of 150 mL/s; FENO350: fractional nitric oxide concentration at flow rate of 350 mL/s; J ′ a w , N O : maximum total airway nitric oxide flux; C A , N O : alveolar nitric oxide concentration; ND: not determined; ns: not significant.