Table 2. Comparison of arterial blood gas parameters of the groups at the beginning and fifth day of treatment.

Group 1 (Jet nebulizer group) (n=20)	At the beginning of treatment	Fifth day of treatment	p
Ph	7.39 (7.35–7.47)	7.4 (7.38–7.49)	0.6
SO2 (%)	81 (69–90)	88 (74–95)	0.01
pO2 (mm_Hg)	48 (37–59)	61 (49–88)	0.03
pCO2 (mm_Hg)	46.5 (33–58)	42 (27–53)	0.07
HCO3 (mEq/L)	28.2 (19–33)	36.5 (21–34)	0.3
Group 2 (Dry air nebulizer group) (n=20)	At the beginning of treatment	Fifth day of treatment	p
Ph	7.38 (7.35–7.46)	7.4 (7.36–7.49)	0.09
SO2 (%)	85 (58–90)	90 (85–95)	0.01
pO2 (mm_Hg)	55.5 (34–72)	59 (41–80)	0.03
pCO2 (mm_Hg)	46 (30–61)	44.5 (27–61)	0.23
HCO3 (mEq/L)	26 (21–41)	25.5 (21–36)	0.7
Group 3 (Classic nebulizer group) (n=20)	At the beginning of treatment	Fifth day of treatment	p
Ph	7.38 (7.35–7.45)	7.36 (7.34–7.43)	0.07
SO2 (%)	86 (64–89)	89 (85–94)	0.05
pO2 (mm_Hg)	53 (37–60)	56 (38–79)	0.05
pCO2 (mm_Hg)	45 (32–59)	47 (32–64)	0.08
HCO3 (mEq/L)	26 (22–43)	27 (23–45)	0.67