[1]Medical ICU,Division of Critical Care,Christian Medical College,Vellore 632004,Tamil Nadu,India;
[2]Department of Medicine,Pondicherry Institute of Medical Sciences,Puducherry 605014,India;
[3]Department of MedicineⅡ,Christian Medical College,Vellore 632004,Tamil Nadu,India;
[4]Hospital Infection Control Committee,Christian Medical College,Vellore 632004,Tamil Nadu,India;
[5]Department of Biostatistics,Christian Medical College,Vellore 632004,Tamil Nadu,India;
[1]Medical ICU,Division of Critical Care,Christian Medical College,Vellore 632004,Tamil Nadu,India;
Attributable cost; Nosocomial infection; Length of stay; Mortality; Intensive care;