Table 3.

Odds of melioidosis for each stratification factor, by humidity, Laos

	<70% humidity (low)	70–79% humidity (medium)	≥80% humidity (high)
Sex
Male	140	236	136
Female	89	166	102
Odds ratio (95% CI)	1 (ref)	1·11 (0·79–1·54)	1·18 (0·82–1·71)
Age
Adult	186	295	144
Child	43	108	93
Odds ratio (95% CI)	1 (ref)	1·58 (1·06–2·36)	2·79 (1·83–4·26)
Primary occupation*
Other	100	143	67
Rice farmer	74	116	64
Odds ratio (95% CI)	1 (ref)	1·10 (0·74–1·62)	1·29 (0·82–2·04)
Blood glucose at admission
<150 mg/dL	89	130	66
≥150 mg/dL	86	146	74
Odds ratio (95% CI)	1 (ref)	1·16 (0·80–1·70)	1·16 (0·74–1·81)
Medical history of diabetes
No	118	233	159
Yes	98	159	73
Odds ratio (95% CI)	1 (ref)	0·82 (0·59–1·15)	0·55 (0·38–0·81)
Clinical presentation
Disseminated infection	128	246	106
Localised infection	98	157	131
Odds ratio (95% CI)	1 (ref)	0·83 (0·60–1·16)	1·61 (1·12–2·33)
Organ involvement
Organs other than the lung	133	254	168
Lung infection	92	149	68
Odds ratio (95% CI)	1 (ref)	0·85 (0·61–1·18)	0·59 (0·41–0·86)
Organs other than skin and soft tissue	150	323	179
Skin and soft tissue infection	75	80	57
Odds ratio (95% CI)	1 (ref)	0·50 (0·34–0·72)	0·64 (0·42–0·96)

Data are n, unless otherwise indicated. Odds ratios are the odds of the lower variable (eg, female sex) over the upper variable (eg, male sex).

^*Only adults included.