Exploring New Delhi Metallo Beta Lactamases in Klebsiella pneumoniae and Escherichia coli: genotypic vs. phenotypic insights

Table 1 Demographic attributes of carbapenem-resistant Escherichia coli and Klebsiella pneumoniae (CREK) isolated from both in-patients and out-patients

Items	Extensive drug carbapenem-resistant isolates (n = numbers)		chi-square statistic	p-value
Items	Escherichia coli	Klebsiella pneumoniae	chi-square statistic	p-value
Age:
Children	03 (3.16) [0.01]	08 (7.84) [0.00]
Adolescents	01 (1.44) [0.13]	04 (3.56) [0.05]	9.9743	0.01^*
Adults	36 (27.60) [2.56]	60 (68.40) [1.03]
Older adults	06 (13.80) [4.41]	42 (34.20) [1.78]
Sex:
Female	20 (23.29) [0.46]	61 (57.71) [0.19]	1.3192	0.25^NS
Male	26 (22.71) [0.48]	53 (56.29) [0.19]
Department:
IPD	36 (39.96) [0.39]	103 (99.04) [0.16]	4.2015	0.04^*
OPD	10 (6.04) [2.60]	011 (14.96) [1.05]
Specimens:
Blood	15 (14.38) [0.03]	35 (35.62) [0.01]
Catheters	03 (2.88) [0.01]	07 (7.12) [0.00]
Tracheal secretions	08 (5.75) [0.88]	12 (14.25) [0.36]	4.1006	0.39^NS
Urine	19 (19.26) [0.00]	48 (47.74) [0.00]
Wound and pus	01 (3.74) [2.01]	12 (9.26) [0.81]

The isolates from both in-patients and out-patients underwent demographic characterization based on Age (following National Institute of Health (NIH) criteria), gender, department, and specimen. Subsequently, statistical analysis was performed on the obtained data.

ISSN: 1476-0711