Table 6: Analysis of risk factors of nosocomial infection in geriatric patients.

Personal characteristicsNumberInfected patients value ()

SexMale1800480.0170.897
Female157043

Long-term bedYes30452263.896<0.01
No306639

Combined with chronic diseaseYes1788490.0230.878
No158242

Nutrition scores<331776958.959<0.01
≥319322

DysphagiaYes2451511.777<0.01
No312576

Invasive procedureYes911378.804<0.01
No245954

Length of stay (day)≥309619109.863<0.01
<30327472