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 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)