Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 7, 2017; 23(9): 1608-1617
Published online Mar 7, 2017. doi: 10.3748/wjg.v23.i9.1608
Table 1 Patient characteristics by principal and secondary diagnosis of gastrointestinal bleeding n (%)
GI bleed
Overall (n = 19528)P value
Principal Dx (n = 6733)Secondary Dx (n = 12795)
Age in years (IQR)10 (4, 15)9 (4, 15)9 (4, 15)< 0.0001
Gender< 0.0001
Female2925 (43.44)5941 (46.43)8866 (45.40)
Male3808 (56.56)6854 (53.57)10762 (55.11)
Race< 0.0001
Non-Hispanic White3608 (53.59)6596 (51.55)10204 (52.25)
Non-Hispanic Black1180 (17.53)2257 (17.64)3437 (17.60)
Hispanic1159 (17.21)2580 (20.16)3739 (19.15)
Asian251 (3.73)332 (2.59)583 (2.99)
Other412 (6.12)779 (6.09)1191 (6.10)
Unknown123 (1.83)251 (1.96)374 (1.92)
Urban/rural0.1247
Urban5730 (85.10)10930 (85.42)16660 (85.31)
Rural873 (12.97)1573 (12.29)2446 (12.53)
Unknown130 (1.93)292 (2.28)422 (2.16)
Complex chronic conditions< 0.0001
03767 (55.95)5969 (46.65)9736 (49.86)
1-21771 (26.30)4328 (33.83)6099 (31.23)
31195 (17.75)2498 (19.52)3693 (18.91)
GIH symptoms
Hematemesis2333 (34.65)4263 (33.32)6596 (33.78)0.0635
Melena1983 (29.45)6018 (47.03)8001 (40.97)< 0.0001
Hypovolemia52 (0.77)90 (0.70)142 (0.73)0.5956
Pharmaceutical Interventions
PPI on day 0 or 14473 (66.43)6038 (47.19)10511 (53.83)< 0.0001
H2RA on day 0 or 11301 (19.32)2715 (21.22)4016 (20.57)0.0019
Erythromycin on day 0 or 1197 (2.93)313 (2.45)510 (2.61)0.0511
Vasopressin on day 0 or 115 (0.22)142 (1.11)157 (0.80)< 0.0001
Octreotide on day 0 or 1349 (5.18)439 (3.43)788 (4.04)< 0.0001
Diagnostic Imaging
Meckel's Scan day 0-2497 (7.38)378 (2.95)875 (4.48)< 0.0001
Abdomen CT day 0-2425 (6.31)1298 (10.14)1723 (8.82)< 0.0001
Abdomen MRI day 0-244 (0.65)170 (1.33)214 (1.10)< 0.0001
Arteriography day 0-275 (1.11)93 (0.73)168 (0.86)0.0070
Surgical interventions
Laparotomy, exploratory23 (0.34)44 (0.34)67 (0.34)0.9999
Laparotomy, other2 (0.03)19 (0.15)21 (0.11)0.0191
Laparoscopy54 (0.80)96 (0.75)150 (0.77)0.7303
EGD2304 (34.22)2317 (18.11)4621 (23.66)< 0.0001
Other endoscopy845 (12.55)845 (6.6)1690 (8.65)< 0.0001
Transcatheter embolization8 (0.12)8 (0.06)16 (0.08)0.1977
Ligation, esophag. varices0 (0.0)5 (0.04)5 (0.03)0.1719
Ligation, gastric varices1 (0.01)5 (0.04)6 (0.03)0.6713
Packed red blood cell transfusions1265 (18.79)2337 (18.26)3602 (18.45)0.3808
Platelet transfusions194 (2.88)799 (6.24)993 (5.09)< 0.0010
ICU stay as part of encounter880 (13.07)2328 (18.19)3208 (16.43)< 0.0001
Chronic liver disease171 (2.54)400 (3.13)571 (2.92)0.0234
GIH present on admit4980 (73.96)8585 (67.10)11084 (56.76%)< 0.0001
Shock144 (2.14)584 (4.56)728 (3.73)< 0.0001
Sepsis30 (0.45)666 (5.21)696 (3.56)< 0.0001
Hospital lOS (IQR)2 (1, 4)3 (2, 7)3 (1, 6)< 0.0001
Day of EGD1 (0, 2)2 (1, 3)1 (0, 2)< 0.0001
Mortality25 (0.37)379 (2.96)404 (2.07)< 0.0001