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From:
Published online Apr 4, 2012. doi: 10.1186/1471-2431-12-43
Table 4
Comparison of primary outcome and extubation characteristics
Variable*BP-NCPAP
(N = 67)
NCPAP
(N = 69)
P value
Successful extubation [N (%)]45 (67%)40 (58%)0.27

Time of blood gas after extubation (hours) [Median (IQR)]4 (2, 6)2 (2, 4)0.02

Blood gas after extubation [Mean (SD)]
pH7.4 ± 0.17.3 ± 0.10.02
PCO245.8 ± 13.447.8 ± 13.30.39

FiO2 [Mean (SD)]0.27 ± 0.090.26 ± 0.060.30

Time to reintubation (days) [Median (IQR)]2 (1, 4)1 (1, 5)0.76

Number and reasons for reintubation [N (%)]N = 22N = 29
Hypercapnia00
FiO2 requirements > 60%2 (9%)00.14
Severe apnea defined as need for positive pressureventilation or frequent apnea defined as ≥ 4 minor apneic episodes per hour requiring moderate stimulation 13 (59%)23 (79%)
Combination of the above7 (32%)6 (21%)
*FiO2 = Fraction of inspired oxygen, IQR = Inter-quartile range, N = Number, % = Percent, SD = Standard deviation
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