Role of lung ultrasound in assessing positive end expiratory pressure induced lung recruitment in patients on mechanical ventilation

Table 4 Validity of lung ultrasound scores in assessing the aeration of lung after positive end expiratory pressure trial of 5 cm of water¹

Trial 1 (n = 37)		SpO2
		100.0%		≤ 99.0%		Total
		n	%	n	%	n	%
Lung ultrasound score	100.0%	16	43.2	1	2.7	17	45.9
	≤ 99.0%	0	0.0	20	54.1	20	54.1
	Total	16	43.2	21	56.8	37	100.0

¹Kappa agreement = 0.945.

Sensitivity = 100.0%, Specificity = 95.2%, Positive predictive value = 94.1%, Negative predictive value = 100.0%.