Table 2.

Case demographics

Variables	Burkholderia pseudomallei septic arthritis (N = 74)	Other septic arthritis (N = 80)	P value*
Male gender	42 (57%)	50 (63%)	0.51
Age (year, median, IQR)	53 (44–61)	58 (48–67)	0.22
Presenting during rainy season†	54 (73%)	46 (58%)	0.06
Risk factors for development of septic arthritis
Diabetes mellitus	65 (88%)	15 (19%)	< 0.001
Chronic kidney disease	13 (18%)	9 (11%)	0.36
Cutaneous ulcers	8 (11%)	13 (16%)	0.33
Gouty arthritis	4 (5%)	9 (11%)	0.36
Rheumatoid arthritis	2 (3%)	1 (1%)	0.61
Alcoholism	0	3 (4%)	0.25
Joint prosthesis	0	2 (3%)	> 0.99
Intravenous drug abuse	0	0	NA
History of melioidosis	7 (9%)	0	0.005
None	3 (4%)	45 (56%)	< 0.001

IQR = interquartile range.

^*P value derived using χ² test or Fisher’s exact test.

^†From June to November.