Table 2.

Histological lung injury scores

	UVCs	Vent	Vent + EPO
Inflammation	0.15 ± 0.06	0.66 ± 0.13*	0.93 ± 0.38*#
Haemorrhage	0.18 ± 0.06	0.66 ± 0.14	0.91 ± 0.37*†
Airway wall thickness	0.12 ± 0.07	0.62 ± 0.13*	0.76 ± 0.31*#
Epithelial sloughing	0.01 ± 0.02	0.24 ± 0.08*	0.25 ± 0.1*
Total injury score	0.45 ± 0.13	2.15 ± 0.38*	2.84 ± 1.16*#

Values are mean ± SD. ^*Values in the Vent and Vent + EPO groups that are significantly different from those in the UVC group. ^#Values in the Vent + EPO group that are significantly different from those in the Vent group. ^†P = 0.07 from Vent.