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Table 1 The clinical characteristics of patients before and after the emergence of COVID-19

From: Changes in prevalence of nosocomial infection pre- and post-COVID-19 pandemic from a tertiary Hospital in China

Characteristics Pre-COVID-19 (n = 39,914) Post-COVID-19 (n = 34,645) P
Critical cases 1361 (3.41%) 1014 (2.93%) 0.000
PRISM III of critical cases 11.88 ± 5.87 12.09 ± 6.26 0.232
Number of healthcare staff per patients (ICU) 1.71 ± 0.04 1.84 ± 0.03 0.000
Number of healthcare staff per patients (overall) 1.11 ± 0.04 1.21 ± 0.02 0.000
Rate of appropriate handwashing 63.73 ± 6.94% 80.69 ± 5.88% 0.001
Number of protective gloves used per person per month 101.31 ± 7.10 138.13 ± 17.51 0.001
Number of aprons used per person per month 15.42 ± 2.97 34.67 ± 8.62 0.000
Incidence of NI in critical cases 62 (4.56%) 42 (4.14%) 0.214
Ventilator cases 96 (0.24%) 146 (0.42%) 0.000
Central catheter 113 (0.28%) 85 (0.24%) 0.319
Urinary catheter 665 (1.7%) 623 (1.79%) 0.175
Hospital length of stay (median,days) 6.3 5.9 0.000
Incidence of NI 1021 (2.56%) 481 (1.39%) 0.000
Death 51 (0.13%) 27 (0.07%) 0.036
NI associated death 5 (0.01%) 7 (0.02%) 0.410
  1. NI nosocomial infection