Occurrence of virulence determinants in vibrio cholerae, vibrio mimicus, vibrio alginolyticus, and vibrio parahaemolyticus isolates from important water resources of Eastern Cape, South Africa

Abioye, Oluwatayo E.; Osunla, Charles A.; Nontongana, Nolonwabo; Okoh, Anthony I.

doi:10.1186/s12866-023-03060-z

Table 3 Descriptive statistics of Multiple virulence gene indexes (MVGI) of isolates and sampling sites

From: Occurrence of virulence determinants in vibrio cholerae, vibrio mimicus, vibrio alginolyticus, and vibrio parahaemolyticus isolates from important water resources of Eastern Cape, South Africa

MVGI of isolates from Freshwater
	N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean		Minimum	Maximum
	N	Mean	Std. Deviation	Std. Error	Lower Bound	Upper Bound	Minimum	Maximum
VC	82	0.3581	0.16246	0.01794	0.3224	0.3938	0.00	0.55
VM	14	0.2532	0.15203	0.04063	0.1655	0.3410	0.00	0.45
VA	5	0.0250	0.05590	0.02500	− 0.0444	0.0944	0.00	0.13
Total	101	0.3271	0.17500	0.01741	0.2925	0.3616	0.00	0.55
MVGI of isolates from Brackish water
	N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean		Minimum	Maximum
	N	Mean	Std. Deviation	Std. Error	Lower Bound	Upper Bound	Minimum	Maximum
VC	29	0.2759	0.20969	0.03894	0.1961	0.3556	0.00	0.64
VM	8	0.1023	0.14115	0.04990	− 0.0157	0.2203	0.00	0.27
VA	60	0.4750	0.13961	0.01802	0.4389	0.5111	0.00	0.63
VP	16	0.4219	0.13598	0.03399	0.3494	0.4943	0.13	0.63
Total	113	0.3900	0.19566	0.01841	0.3535	0.4265	0.00	0.64
MVGI freshwater sampling sites
	N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean		Minimum	Maximum
	N	Mean	Std. Deviation	Std. Error	Lower Bound	Upper Bound	Minimum	Maximum
PA1	2	0.2273	0.32141	0.22727	-2.6605	3.1150	0.00	0.45
PA2	7	0.2468	0.23888	0.09029	0.0258	0.4677	0.00	0.55
PA3	6	0.1818	0.18182	0.07423	− 0.0090	0.3726	0.00	0.45
PA4	16	0.2464	0.20771	0.05193	0.1358	0.3571	0.00	0.55
PA5	26	0.4056	0.10035	0.01968	0.3651	0.4461	0.09	0.55
PA6	33	0.4022	0.10172	0.01771	0.3661	0.4383	0.00	0.55
EL1	2	0.1818	0.00000	0.00000	0.1818	0.1818	0.18	0.18
EL2	2	0.0909	0.00000	0.00000	0.0909	0.0909	0.09	0.09
EL4	3	0.4545	0.00000	0.00000	0.4545	0.4545	0.45	0.45
ALD2	4	0.0313	0.06250	0.03125	− 0.0682	0.1307	0.00	0.13
Total	101	0.3274	0.17457	0.01737	0.2929	0.3619	0.00	0.55
MVGI brackish water sampling sites
	N	Mean	Std. Deviation	Std. Error	95% Confidence Interval for Mean		Minimum	Maximum
	N	Mean	Std. Deviation	Std. Error	Lower Bound	Upper Bound	Minimum	Maximum
PA7	11	0.2831	0.19261	0.05807	0.1537	0.4125	0.00	0.50
EL5	17	0.2834	0.24781	0.06010	0.1560	0.4108	0.00	0.63
EL6	23	0.3987	0.13194	0.02751	0.3417	0.4558	0.00	0.63
SR	26	0.5376	0.12526	0.02457	0.4870	0.5882	0.00	0.64
SKR	36	0.3608	0.18832	0.03139	0.2971	0.4245	0.00	0.63
Total	113	0.3900	0.19566	0.01841	0.3535	0.4265	0.00	0.64

Key: VC = V. cholerae, VM = V. mimicus, VA = V. alginolyticus, VP = V. parahaemolyticus, MVGI = multiple virulence gene index

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ISSN: 1471-2180

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