Volume 12, Number 10—October 2006
Dispatch
ICD-9 Codes and Surveillance for Clostridium difficile–associated Disease
Table 1
Demographic characteristics of study population by Clostridium difficile–toxin assay (CDTA) and ICD-9 status*
Characteristic | Controls, n = 44,585 (%) | CDTA+/ICD-9–, n = 156 (%) | CDTA+/ICD-9+, n = 506 (%) | CDTA–/ICD-9+, n = 239 (%) |
---|---|---|---|---|
Age (median y) | 55 | 64 | 67 | 66 |
Length of hospitalization (median d) | 4 | 13 | 12 | 6 |
Female | 25,869 (58) | 68 (44) | 267 (53) | 158 (66) |
White | 28,071 (63) | 110 (71) | 347 (69) | 170 (71) |
Time from admission to stool collection (median d) | NA | 6.0 | 3.0 | NA |
First positive stool collected within 48 h of discharge | NA | 68 (44) | 72 (14) | NA |
*NA. not available.