Incidence of gastro-esophageal reflux disease in mechanically ventilated full-term Egyptian neonates by detection of pepsin in endotracheal aspirate

Table 2 Pepsin in sample A, B, and C of the studied cases, n (%)

Characteristics	Total (n = 97)
Sample A ETA pepsin (ng/mL)
Median (IQR)	0.87 (0.11–2.58)
Range	0.01–31
Pepsin detection in sample A
Not detected	21 (21.6)
Detected	76 (78.4)
Sample B ETA pepsin (ng/mL)
Median (IQR)	0.84 (0.23–2.68)
Range	0.01–12.5
Pepsin detection in sample B
Not detected	18 (18.8)
Detected	78 (81.3)
Sample C ETA pepsin (ng/mL)
Median (IQR)	0.43 (0.05–1.63)
Range	0.01–8.68
Pepsin detection in sample C
Not detected	22 (31.9)
Detected	47 (68.1)

ETA: Endotracheal aspirate; IQR: Interquartile range.