Table 9.

Clinical characteristics of T6SS-positive, and T6SS-negative K. pneumoniae isolates

Clinical characteristics	Type 6 secretion			P value
	Negative N=12	Positive N=44	All N=56
Age (median)	49 (45:65)	8 (2:50)	22.0 (2.25:57.5)	0.045*
Gender
Female	4 (33.3%)	28 (63.6%)	16 (57.1%)	0.09
Male	8 (66.7%)	16 (36.4%)	12 (42.9%)
Nosocomial infection	12 (100%)	24 (54.55%)	36 (64.29%)	0.005*
ICU admission	6 (50.00%)	26 (59.09%)	32 (57.14%)	0.57
Hypertension	4 (33.33%)	14 (31.82%)	18 (32.14%)	1.00
DM	2 (16.67%)	16 (36.36%)	18 (32.14%)	0.30
Malignancy	6 (50.00%)	2 (4.55%)	8 (14.29%)	0.001*
Cardiovascular disease	0	6 (13.64%)	6 (10.71%)	0.32
Cerebrovascular disease	4 (33.33%)	4 (9.09%)	8 (14.29%)	0.06
Chest problems	6 (50.00%)	24 (54.55%)	30 (53.57%)	0.78
GIT disease	2 (16.67%)	6 (13.64%)	8 (14.29%)	1.00
Renal disease	4 (33.33%)	4 (9.09%)	8 (14.29%)	0.06
Peripheral vascular diseases	4 (33.33%)	2 (4.55%)	6 (10.71%)	0.02*
Immunosuppression	2 (16.67%)	4 (9.09%)	6 (10.71%)	0.60

ICU: Intensive care unit. DM: Diabetes mellitus. GIT: Gastrointestinal disease

^*P < 0.05 (significant).

^**P < 0.01 (highly significant).

^***P < 0.001 (very highly significant). NS: Non-significant p >0.05.