Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 28, 2017; 23(12): 2201-2208
Published online Mar 28, 2017. doi: 10.3748/wjg.v23.i12.2201
Table 1 Demographic information of LC[Pos] and LC[Neg] patients n (%)
VariablesLC[Pos] patients(n = 5551)LC[Neg] patients(n = 11102)P value
Gender0.99
Male3655 (65.84)7311 (65.85)
Female1896 (34.16)3791 (34.15)
Age group (yr)0.59
< 501259 (22.68)2417 (21.77)
50-641441 (25.96)2899 (26.11)
65-791914 (34.48)3902 (35.15)
≥ 80937 (16.88)1884 (16.97)
Department< 0.01a
Surgical542 (9.76)1684 (15.17)
Medical5009 (90.24)9418 (84.83)
Number of organ failures< 0.01a
03404 (61.32)8433 (75.96)
11791 (32.26)2415 (21.75)
≥ 2356 (6.41)254 (2.29)
Comorbidity
DM2048 (36.89)4082 (36.77)0.87
HTN2454 (44.21)4895 (44.09)0.89
CAD1077 (19.40)2144 (19.31)0.89
ESRD627 (11.30)1287 (11.59)0.57
COPD1133 (20.41)2277 (20.51)0.88
Cancer1362 (24.54)2739 (24.67)0.85
Stroke980 (17.65)1944 (17.51)0.82
CHF784 (14.12)1547 (13.93)0.74
HBV14 (0.25)28 (0.25)1.00
HCV21 (0.38)35 (0.32)0.51
Cryptogenic LC[Pos]1732 (31.20)
Table 2 Adjusted hazard ratios for mortality in patients after their 1st-ever mechanical ventilation n (%)
No. of deathsLC[Pos] patients(n = 5551)LC[Neg] patients(n = 11102)Adjusted hazard ratio(95%CI)
Overall3747 (67.50)5902 (53.16)1.38 (1.32-1.44)a
Age (yr)
< 50763 (13.75)744 (6.70)1.96 (1.76-2.18)a
50-64911 (16.41)1369 (12.33)1.40 (1.29-1.53)a
65-791368 (24.64)2458 (22.14)1.24 (1.16-1.32)a
≥ 80705 (12.70)1331 (11.99)1.41 (1.04-1.25)a
Gender
Male2464 (44.39)3770 (33.96)1.42 (1.35-1.49)a
Female1283 (23.11)2132 (19.20)1.30 (1.21-1.39)a
Department
Surgical255 (4.59)595 (5.36)1.32 (1.14-1.54)a
Medical3492 (62.91)5307 (47.80)1.37 (1.31-1.43)a
Number of organ failures
02074 (37.36)4015 (36.16)1.40 (1.33-1.47)a
11379 (24.84)1691 (15.23)1.26 (1.17-1.35)a
≥ 2294 (5.30)196 (1.77)1.16 (0.96-1.41)
Comorbidity
DM1374 (24.75)2432 (21.91)1.19 (1.12-1.28)a
HTN1583 (28.52)2851 (25.68)1.15 (1.08-1.22)a
CAD716 (12.90)1276 (11.49)1.17 (1.07-1.28)a
ESRD488 (8.79)920 (8.29)1.19 (1.06-1.33)a
COPD789 (14.21)1459 (13.14)1.15 (1.05-1.26)a
Cancer972 (17.51)1668 (15.02)1.31 (1.21-1.42)a
Stroke680 (12.25)1261 (11.36)1.16 (1.06-1.28)a
CHF563 (10.14)1002 (9.03)1.21 (1.09-1.34)a
HBV7 (0.13)12 (0.11)0.54 (0.11-2.57)
HCV11 (0.20)20 (0.18)0.43 (0.14-1.28)
Table 3 Hazard ratio of mortality risk for patients with non-cryptogenic liver cirrhosis, cryptogenic liver cirrhosis, and liver cirrhosis[Neg] patients after 1st-ever mechanical ventilation, stratified by gender and age group
LC[Neg]Cryptogenic LC[Pos]Non-cryptogenic LC[pos]
Overall1.00 (ref.)1.05 (0.98-1.12)1.56 (1.49-1.63)a
Patients with LC only1.00 (ref.)1.43 (1.32-1.54)a
Males only
Overall1.00 (ref.)1.06 (0.97-1.16)1.58 (1.49-1.67)a
Patients with LC only1.00 (ref.)1.40 (1.27-1.55)a
Females only
Overall1.00 (ref.)1.02 (0.92-1.13)1.52 (1.40-1.64)a
Patients with LC only1.00 (ref.)1.48 (1.31-1.67)a
Age group: < 50
Overall1.00 (ref.)1.31 (1.07-1.60)a2.17 (1.94-2.43)a
Patients with LC only1.00 (ref.)1.68 (1.36-2.08)a
Age group: 50-64
Overall1.00 (ref.)0.96 (0.82-1.13)1.59 (1.44-1.74)a
Patients with LC only1.00 (ref.)1.70 (1.42-2.03)a
Age group: 65-79
Overall1.00 (ref.)1.07 (0.96-1.18)1.35 (1.25-1.46)a
Patients with LC only1.00 (ref.)1.27 (1.13-1.43)a
Age group: ≥ 80
Overall1.00 (ref.)0.92 (0.80-1.06)1.31 (1.17-1.45)a
Patients with LC only1.00 (ref.)1.40 (1.19-1.64)a