Hospital outcomes and early readmission for the most common gastrointestinal and liver diseases in the United States: Implications for healthcare delivery

Table 1 Index admission characteristics and thirty-day readmission rates for the most common gastrointestinal and liver diseases: Nationwide Readmission Database 2013¹

	Total index admissions (frequency)	Mean index admission LOS (d)	Mean index admission cost ($)	Index admission mortality (frequency)	Index admission mortality (%)	Subsequent admission mortality (frequency)	Subsequent admission mortality (%)	30-d readmission rate (%)
Gastrointestinal hemorrhage	468479 (453166, 483792)	4.35 (4.30, 4.40)	9932 (9745, 10119)	10458 (9962, 10954)	2.23 (2.15, 2.31)	23500 (22520, 24479)	5.02 (4.88, 5.15)	15.51 (15.28, 15.73)
Cholelithiasis with cholecystitis	357361 (343813, 370909)	3.88 (3.84, 3.92)	11983 (11794, 12172)	1673 (1514, 1833)	0.47 (0.43, 0.51)	4371 (4085, 4656)	1.22 (1.16, 1.29)	9.28 (9.08, 9.48)
Acute pancreatitis	223344 (216001, 230687)	4.76 (4.70, 4.83)	10127 (9906, 10348)	1808 (1655, 1962)	0.81 (0.74, 0.88)	3962 (3711, 4214)	1.77 (1.67, 1.87)	13.42 (13.11, 13.72)
Intestinal obstruction	236437 (228766, 244109)	5.69 (5.62, 5.76)	11583 (11347, 11819)	4529 (4262, 4795)	1.92 (1.81, 2.02)	7970 (7584, 8356)	3.37 (3.23, 3.51)	8.80 (8.59, 9.02)
Appendicis	163387 (156767, 170006)	2.84 (2.80, 2.89)	10399 (10207, 10592)	185 (141, 230)	0.11 (0.09, 0.14)	357 (296, 418)	0.22 (0.18, 0.26)	5.23 (5.03, 5.44)
Chronic liver disease and viral hepatitis	165890 (157352, 174428)	6.12 (5.95, 6.29)	14848 (13854, 15842)	10058 (9429, 10687)	6.07 (5.86, 6.28)	20931 (19694, 22169)	12.62 (12.29, 12.95)	25.40 (24.93, 25.86)
Diverticulitis without hemorrhage	191898 (184081, 199716)	4.69 (4.63, 4.74)	9986 (9792, 10180)	891 (791, 990)	0.46 (0.41, 0.52)	2196 (2033, 2358)	1.14 (1.06, 1.22)	11.23 (10.96, 11.50)
Noninfectious gastroenteritis/colitis	119543 (113494, 125593)	3.23 (3.19, 3.27)	6391 (6270, 6512)	483 (406, 559)	0.40 (0.34, 0.47)	1974 (1804, 2145)	1.65 (1.51, 1.79)	12.24 (11.91, 12.58)
Obesity	143487 (127160, 159813)	2.07 (2.00, 2.14)	12731 (12150, 13312)	78 (43, 112)	0.05 (0.03, 0.08)	226 (117, 336)	0.16 (0.09, 0.23)	5.34 (5.01, 5.67)
Clostridium difficile infection	96427 (91904, 100951)	6.18 (6.08, 6.28)	10137 (9833, 10442)	2232 (2061, 2404)	2.32 (2.15, 2.48)	5847 (5475, 6219)	6.06 (5.76, 6.37)	23.64 (23.10, 24.19)
Gastrointestinal infection	100124 (95396, 104853)	3.22 (3.17, 3.26)	6359 (6230, 6488)	299 (242, 357)	0.30 (0.24, 0.36)	1578 (1421, 1736)	1.58 (1.43, 1.72)	10.79 (10.45, 11.13)
Functiona/motility disorders	88841 (83923, 93759)	3.94 (3.83, 4.05)	7777 (7568, 7986)	433 (362, 504)	0.49 (0.41, 0.57)	2137 (1943, 2330)	2.41 (2.23, 2.58)	18.51 (18.03, 19.00)
Inflammatory bowel diseases	74118 (70135, 78101)	5.16 (5.06, 5.27)	10500 (10147, 10853)	285 (224, 345)	0.38 (0.30, 0.47)	821 (710, 933)	1.11 (0.97, 1.25)	16.32 (15.78, 16.87)

¹All statistics are presented with corresponding 95% confidence interval. GI: Gastrointestinal; LOS: Length of stay.