. 2017 Mar 28;23(12):2201–2208. doi: 10.3748/wjg.v23.i12.2201

Table 3.

Hazard ratio of mortality risk for patients with non-cryptogenic liver cirrhosis, cryptogenic liver cirrhosis, and liver cirrhosis^[Neg] patients after 1^st-ever mechanical ventilation, stratified by gender and age group

	LC^[Neg]	Cryptogenic LC^[Pos]	Non-cryptogenic LC^[pos]
Overall	1.00 (ref.)	1.05 (0.98-1.12)	1.56 (1.49-1.63)^a
Patients with LC only		1.00 (ref.)	1.43 (1.32-1.54)^a
Males only
Overall	1.00 (ref.)	1.06 (0.97-1.16)	1.58 (1.49-1.67)^a
Patients with LC only		1.00 (ref.)	1.40 (1.27-1.55)^a
Females only
Overall	1.00 (ref.)	1.02 (0.92-1.13)	1.52 (1.40-1.64)^a
Patients with LC only		1.00 (ref.)	1.48 (1.31-1.67)^a
Age group: < 50
Overall	1.00 (ref.)	1.31 (1.07-1.60)^a	2.17 (1.94-2.43)^a
Patients with LC only		1.00 (ref.)	1.68 (1.36-2.08)^a
Age group: 50-64
Overall	1.00 (ref.)	0.96 (0.82-1.13)	1.59 (1.44-1.74)^a
Patients with LC only		1.00 (ref.)	1.70 (1.42-2.03)^a
Age group: 65-79
Overall	1.00 (ref.)	1.07 (0.96-1.18)	1.35 (1.25-1.46)^a
Patients with LC only		1.00 (ref.)	1.27 (1.13-1.43)^a
Age group: ≥ 80
Overall	1.00 (ref.)	0.92 (0.80-1.06)	1.31 (1.17-1.45)^a
Patients with LC only		1.00 (ref.)	1.40 (1.19-1.64)^a

The model was adjusted for age, gender, length of hospital stay, length of 1^st mechanical ventilation, length of Intensive Care Unit stay, treatment department, number of organ failures, and the listed comorbidities.

P < 0.05. (ref.): Reference value; LC^[Pos]: Liver cirrhosis-positive; LC^[Neg]: Liver cirrhosis-negative.