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Volume 4, Number 4—December 1998

Dispatch

Increasing Hospitalization and Death Possibly Due to Clostridium difficile Diarrheal Disease

Floyd Frost*Comments to Author , Gunther F. Craun†, and Rebecca L. Calderon‡
Author affiliations: *Southwest Center for Managed Care Research, Albuquerque, New Mexico, USA; †Gunther F. Craun and Associates, Staunton, Virginia, USA ; and ‡U.S. Environmental Protection Agency, Research Triangle Park, North Carolina, USA

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Table 3

Age-adjusted hospitalization rates for bacterial causes of diarrhea

ICD9 0080-0084a
Remainder of bacterial causesb
Year AARATEc <45 yrsd >45 yrsd (Discharges) AARATE3 <45 yrsd >45 yrsd (Discharges)
1985 3.72 1.71 2.02 ( 8,716) 7.76 4.06 3.70 (18,286)
1986 4.79 2.01 2.74 (11,316) 5.56 2.60 2.96 (13,174)
1987 6.05 1.95 4.10 (14,433) 4.55 2.14 2.41 (11,037)
1988 11.36 3.20 8.14 (27,492) 9.07 6.04 3.02 (22,219)
1989 16.09 5.64 11.05 (38,894) 8.10 4.96 3.14 (19,931)
1990 25.23 6.40 18.82 (62,750) 8.28 4.29 4.00 (21,037)
1991 30.67 7.55 23.12 (78,100) 6.05 3.52 2.53 (15,620)
1992 41.96 9.71 32.25 (107,874) 5.56 3.15 2.42 (14,568)
1993 33.91 8.32 25.60 (88,715) 5.51 3.54 1.98 (14,454)
1994 42.66 10.48 30.18 (113,411) 5.22 3.44 1.78 (13,944)

aCauses include Escherichia coli (0080), Arizona group (0081), Aerobacter aerogenes (Enterobacter) (0082), Proteus mirabilus and morganii (0083), Staphylococcus (00841), Pseudomonas (00842), Campylobacter (00843), Yersinia enterocolitica (00844), Clostridium difficile (00845), other anaerobes (00846), other gram-negative (00847), other (00849). Codes 00843-00847 were added in 1992.
bCauses include cholera (001), typhoid and paratyphoid fever (002), other salmonella infections (003), shigellosis (004), bacterial enteritis, unspecified (0085), bacterial infection in conditions classified elsewhere (041).
cAge-adjusted discharge rates per 100,000 population, adjusted to the 1990 U.S. population.
dContribution to age-adjusted discharge rate from persons younger than age 45 years and from persons age 45 years and older.

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