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Table 5 Comparison of the comorbidities and medical procedures in elderly and non-elderly

From: Epidemiological and clinical characteristics of healthcare-associated infection in elderly patients in a large Chinese tertiary hospital: a 3-year surveillance study

VariablesElderly
(≥60 years)
N = 60,332
Non-elderly (< 60 years)
N = 74,305
χ2P
No. of cases%No. of cases%  
Sex
 Male33,28055.234,29346.21081.172< 0.001
 Female27,05244.840,01253.8
ICU admission835213.8750710.1448.296< 0.001
Operation27,70545.936,76249.5168.488< 0.001
Cerebral hemorrhage27704.631134.212.863< 0.001
Cerebral infarction19,77932.811,35015.35742.483< 0.001
Brain neoplasms4440.72690.488.371< 0.001
Hypertension34,05056.417,93124.114,661.554< 0.001
Hyperlipidemia845314.0742410.0517.187< 0.001
Diabetes mellitus18,88531.311,82715.64476.053< 0.001
Coronary artery disease18,35230.458717.911,442.063< 0.001
COPD21263.53020.41827.284< 0.001
Malignant tumor10,40917.3801110.81180.859< 0.001
Malignant hematonosis25134.219222.6260.489< 0.001
Osteoarthropathy32075.325233.4301.271< 0.001
  1. COPD chronic obstructive pulmonary disease, ICU intensive care unit