. 2012 Jul 16;33(8):991–997. doi: 10.1038/aps.2012.66

Table 2. Lung injury score in the control, the high-volume zero positive end-expiratory pressure (HVZP), and the HVZP+tissue plasminogen activator (tPA) group. Values are expressed as median (range). ^cP<0.01 vs control group; ^fP<0.01 vs HVZP group.

Treatment	n	Alveolar congestion	Hemorrhage	Alveolar thickness	Neutrophil infiltration	Lung injury score
Control	7	0 (0–1)	1 (0–2)	0 (0–1)	1 (1–2)	2 (1–3)
HVZP	7	3 (2–4)	3 (2–4)	2 (2–4)	2 (1–2)	10 (7–14)^c
HVZP+tPA	7	1 (1–2)	2 (1–2)	2 (1–2)	1 (1–2)	6 (5–7)^cf

Table 2. Lung injury score in the control, the high-volume zero positive end-expiratory pressure (HVZP), and the HVZP+tissue plasminogen activator (tPA) group. Values are expressed as median (range). cP<0.01 vs control group; fP<0.01 vs HVZP group.