Table 3 Detection rates of CR-GNB in clinical and environmental samples from 2019 to 2022, n (%).

From: Environmental contamination of carbapenem-resistant gram-negative bacteria away from isolated patients in intensive care unit: a comprehensive surveillance study

CR-GNB detection rate

2019

2020

2021

2022

Total

Clinical

CR-GNB

92/203 (45.3)

83/215 (38.6)

75/187 (40.1)

155/293 (52.9)

405/898 (45.1)

CRAB

63/68 (92.7)

64/76 (84.2)

46/53 (86.8)

109/132 (82.6)

282/329 (85.7)

CRPA

10/31 (32.3)

15/37 (40.5)

23/48 (47.9)

17/52 (32.7)

65/168 (38.7)

CRKP

19/104 (18.3)

4/102 (3.9)

6/86 (7.0)

29/109 (26.6)

58/401 (14.5)

Environmental

CR-GNB

5/18 (27.8)

35/48 (72.9)

22/31 (71.0)

28/47 (59.6)

90/144 (62.5)

CRAB

3/13 (23.1)

25/32 (78.1)

21/28 (75.0)

23/35 (65.7)

72/108 (66.7)

CRPA

1/2 (50.0)

9/10 (90.0)

0/1 (0)

4/4 (100.0)

14/17 (82.4)

CRKP

1/3 (33.3)

1/6 (16.7)

1/2 (50.0)

1/8 (12.5)

4/19 (21.1)

  1. Note: CR-GNB detection rate = (number of CR-GNB/total number of GNB isolates) ×100.0%.