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Table 1 Included adult studies

From: Brain natriuretic peptide to predict successful liberation from mechanical ventilation in critically ill patients: a systematic review and meta-analysis

Author

Total patients

Population

Heart disease

Renal failure

SBT type

SBT failure status

BNP type

BNP measure

Dichotomization threshold

Cheng L (2015) (Additional file 3)

56

Mixed population

Excluded

Excluded

PS/PEEP

Exclude SBT failure

BNP

ΔBNP, ΔBNP%

80 ng/L, 13.4%

Chien et al. [4]

52

Mixed population

Included

Included

T-tube

Exclude SBT failure

BNP

ΔBNP%

20%

Fang M (2010) (Additional file 3)

126

Septic shock

Included

Unclear

PEEP

Include SBT failure

NT-proBNP

log NT-proBNP

Pre-SBT BNP

3914.5 ng/L

Fang M (2013) (Additional file 3)

52

Septic shock

Included

Unclear

PEEP

Include SBT failure

NT-proBNP

log NT-proBNP

Pre-SBT BNP

N/A

Farghaly S (2015) (Additional file 3)

30

Chronic respiratory failure

Excluded

Excluded

PS/PEEP

Include SBT failure

BNP

Post-SBT BNP ΔBNP%

164 ng/L, 14.9%

Haji K (2018) (Additional file 3)

53

Mixed population

Included

Included

PEEP

Include SBT failure

BNP

BNP-post

N/A

Hersh D (2004) (Additional file 3)

23

Mixed population

Unclear

Unclear

Unclear

Exclude SBT failure

BNP

Pre-SBT BNP

N/A

Konomi I (2016) (Additional file 3)

42

Mixed population

Included (except valvulopathy)

Included

T-piece

Include SBT failure

BNP

Pre-SBT BNP

N/A

Lara TM (2013) (Additional file 3)

101

Elective CABG with CPB

Included

Excluded (CKD)

Unclear

Include SBT failure

BNP

Post-SBT BNP

299 ng/L

Luo L (2017) (Additional file 3)

60

Mixed population (failed extubation once)

Included (except MV disease)

Included

T-tube

Exclude SBT failure

NT-proBNP

Post-SBT BNP

N/A

Ma G (2013) (Additional file 3)

29

Cancer patients with pulmonary complications undergoing noncardiac major surgery

Excluded

Excluded

T-tube

Include SBT failure

NT-proBNP

Post-SBT BNP

448 ng/L

Maraghi SE (2014) (Additional file 3)

40

Mixed population

Excluded

Excluded

T-tube

Exclude SBT failure

BNP

ΔBNP%

20%

Martini A (2011) (Additional file 3)

98

Unclear

Included

Unclear

Unclear

Unclear

NT-proBNP

ΔBNP

N/A

Mekontso Dessap et al. [5]

102

Mixed population

Included

Excluded

T-Piece

PS/PEEP

Include SBT failure

BNP

Pre-SBT BNP, ΔBNP

N/A

Ouanes-Besbes L (2012) (Additional file 3)

143

Mixed population

Included

Excluded (any)

T-tube

Exclude SBT failure

NT-proBNP

Pre-SBT BNP

Rule-in, 2000 ng/L; rule-out, 1000 ng/L

Soummer A (2012) (Additional file 3)

100

Mixed population

Included

Included

T-tube

Exclude SBT failure

BNP

Post-SBT BNP

267 ng/L

Wang YT (2016) (Additional file 3)

82

Mixed population

Excluded

Excluded

PEEP

Exclude SBT failure

NT-proBNP

Post-SBT BNP

N/A

Zapata et al. [11]

100

Mixed population

Included

Included

T-tube

Exclude SBT failure

BNP

NT-proBNP

Pre-SBT BNP, ΔBNP

BNP, 263 ng/L; NT-ProBNP, 1343 ng/L; ΔBNP, 48 ng/L; ΔNT-ProBNP, − 21 ng/L