Table 2. Descriptive statistics and mean percentages of the physicochemical variables of B. pseudomallei positive and negative soil samples from small ruminant farms in Malaysia.

Variable	Descriptive			Positive (n = 32)		Negative (n = 28)		p-value
	Range	Mean	SD	Mean	SEM	Mean	SEM
% Sand	90.80	39.05	22.06	33.75	3.57	45.12	4.33	0.047*
% Clay	56.10	7.42	7.25	9.43	1.61	5.13	0.58	0.016*
% Silt	88.60	53.48	21.53	57.34	3.83	49.07	3.95	0.137
% O.M.	0.63–9.07	1.97	1.24	2.49	0.26	1.38	0.10	0.002*
% Water	2.23–18.36	9.74	4.39	11.08	0.74	8.24	0.80	0.011*
Soil pH	2.49–5.70	3.92	0.89	3.78	0.16	4.09	0.16	0.192
CEC (CMol/l)	1.55–269.0	88.24	48.60	105.86	9.39	68.11	6.36	0.002*
Fe (mg/l)	8.53–819.2	177.89	199.09	247.00	42.08	98.91	18.36	0.002*
Cu (mg/l)	0.26–6.23	0.67	0.86	0.45	0.05	0.92	0.22	0.051
Zn (mg/l)	0.45–3.21	0.82	0.49	0.82	0.08	0.81	0.10	0.945
Mn (mg/l)	0.11–4.28	0.82	0.81	0.86	0.17	0.76	0.12	0.623
Na (mg/l)	0.20–20.0	1.15	2.74	0.86	0.61	0.76	0.32	0.676
Mg (mg/l)	0.02–0.52	0.12	0.14	0.12	0.03	0.11	0.02	0.666
Ca (mg/l)	8x10-3–10.36	1.42	2.02	1.55	0.35	1.27	0.39	0.589
K (mg/l)	0.50–52.78	10.06	11.94	9.58	1.76	10.60	2.65	0.748
% Carbon	0.16–4.85	0.90	0.69	2.49	0.14	1.38	0.05	0.002*
% Nitrogen	3x10-3–0.40	0.85	0.55	0.099	0.011	0.068	0.006	0.025*
% Sulfur	7x10-4–0.098	0.011	0.16	0.011	0.002	0.010	0.003	0.838
C/N ratio	2.24–110.60	14.46	19.60	17.05	4.18	11.51	2.55	0.26

SD = standard deviation, SEM = standard error of mean, %=percentage, O.M. = Organic matter, CEC = cation exchange capacity, C/N = carbon/nitrogen.

*There was a significant different between the means at p<0.05.