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Table 4 Characteristics of patients with carbapenemase-producing Enterobacterales according to the years

From: Clonal spread of carbapenemase-producing Enterobacteriaceae in a region, China

Characteristic 2014–2018 2014 ( n = 25) No. (%) 2015 (n = 101) No. (%) 2016 (n = 104) No. (%) 2017 ( n = 90) No. (%) 2018 (n = 205) No. (%)
Male (n = 357) Female (n = 168)
No. (%) No. (%)
Age (years) 72.17 ± 16.55 72.20 ± 15.14 80.36 ± 10.70 76.94 ± 13.60 71.08 ± 17.26 69.84 ± 16.61 70.47 ± 16.27
P value 0.641   0.213 0.034 0.494 0.738
Patients under 65 years (No.) 103 (28.85) 47 (27.98) 2 (8) 13 (12.87) 38 (36.54) 34 (37.78) 63 (30.73)
P value 0.836   0.743  < 0.001 0.859 0.236
Previous hospitalization within last one month 209 (58.54) 88 (52.38) 19 (76) 71 (70.3) 65 (62.5) 49 (54.44) 93 (45.37)
P value 0.184   0.572 0.238 0.256 0.151
Hospital length of stay (days) 42.20 ± 37.56 42.35 ± 41.08 53.96 ± 37.69 50.11 ± 41.64 45.05 ± 44.62 41.99 ± 33.05 34.19 ± 28.61
P value 0.882   0.748 0.093 0.793 0.069
Outcome
 Improvement 191 (53.5) 92 (54.76) 8 (33.33) 52 (54.74) 68 (65.38) 59 (65.56) 96 (46.83)
 Voluntary discharge 61 (17.09) 36 (21.43) 3 (12.5) 17 (17.89) 15 (14.42) 15 (16.67) 47 (22.93)
 Death 82 (22.97) 32 (19.05) 13 (54.17) 26 (27.37) 20 (19.23) 13 (14.44) 42 (20.49)
P value 0.375   0.051 0.256 0.677 0.047
 Intra-hospital transfers 105 (29.41) 36 (21.43) 8 (32) 18 (17.82) 27 (25.96) 25 (27.78) 63 (30.73)
P value 0.054   0.117 0.159 0.776 0.61 (0.016*)
 Inter-hospital transfers 74 (20.73) 24 (14.29) 7 (28) 12 (11.88) 13 (12.5) 15 (16.67) 51 (24.88)
P value 0.077   0.088 0.892 0.41 0.119 ( 0.008*)
  1. P values were comparisons between sexes or comparisons between adjacent two year
  2. *P value was the comparison between 2018 and 2015