Table 1. Admission characteristics for patients with different dengue severity grades.

	Dengue 22	Dengue+ 42	p-value	Severe dengue 15	p-value
Age (yrs)	18.5 (8 - 33)	21.5 (14 – 46)	0.007	18.0 (11 – 36)	0.70
Illness day	6.0 (2 – 9)	6.0 (4 – 8)	0.13	5.0 (3 – 8)	0.78
Temp ( °C)	37.5 (37 – 40)	37.2 (37 – 40)	0.22	37.2 (36 – 39)	0.22
Resp rate(b/min)	20.0 (18 – 28)	20.0 (18 – 24)	0.98	22.0 (20 – 24)	0.11
Creat (μmol/l)	89.5 (58 – 142)	80.0 (42 – 112)	0.32	79.0 (42 – 109)	0.36
ALT (mg/dl)	62.0 (19 – 76)	83.0 (14 – 331)	0.056	73.0 (7 – 298)	0.066
K (mmol/l)	3.5 (2.9 – 3.8)	3.7 (3.1 – 5.1)	0.053	3.7 (3.1 – 4.5)	0.099
HCT (%)	43.8 (35 – 50)	44.6 (36 – 56)	0.13	44.0 (36 – 61)	0.40
WBC (g/dl)	2.96 (1.6 – 5.4)	3.18 (1.1 – 5.6)	0.89	3.90 (1.7 – 7.1)	0.24
Platelets (/l)	82.0 (5 – 233)	36.0 (9 – 177)	0.017	28.0 (3 – 119)	0.006
Pericardial effusion	1	0		1
Pleural effusion	1/20	12/40	0.043	12/13	<0.0001

Data are presented as median (minimum - maximum). The p-values refer to a test of dengue against dengue+ and dengue against severe dengue. They are obtained using Mann-Whitney (non-parametric) tests, except for pleural effusion where Fisher exact tests are used.