Table 1. Demographic and clinical variables of dengue groups at admission.

Variables	All patients (n=142)	Primary bacteraemia (n=22)	Control (n=120)	P*
Age (years)	69.97±15.93	75.50±7.68	68.95±16.84	0.077
Male patients	70 (49.2 %)	8 (36.4 %)	62 (51.7 %)	0.187
Mortality	32 (22.5 %)	9 (40.9 %)	23 (19.2 %)	0.048
APACHE II score	18.00±9.45	25.18±11.95	16.63±8.51	0.004
TISS	22.87±10.98	28.50±13.15	21.80±10.49	0.010
Glasgow Coma Scale	12.02±4.14	9.64±4.96	12.47±3.90	0.018
Comorbidity	1.74±1.27	2.06±1.00	1.68±1.31	0.220
Hypertension	90 (63.4 %)	17 (77.3 %)	73 (60.8 %)	0.141
Diabetes	70 (49.3 %)	13 (59.1 %)	57 (47.5 %)	0.317
Coronary artery disease	27 (19.0 %)	4 (18.2 %)	23 (19.2 %)	1.000
Cancer	17 (12.0 %)	3 (13.6 %)	14 (11.7 %)	0.729
Stroke	16 (11.3 %)	1 (4.5 %)	15 (12.5 %)	0.467
End-stage renal disease	12 (8.5 %)	4 (18.2)	8 (6.7 %)	0.092
COPD	9 (6.3 %)	2 (9.1 %)	7 (5.8 %)	0.630
Autoimmune disease	3 (2.1 %)	1 (4.5 %)	2 (1.7 %)	0.399
Alcohol	2 (1.4 %)	0 (0.0 %)	2 (1.7 %)	1.000
Liver cirrhosis	1 (.7 %)	0 (0.0 %)	1 (.8 %)	1.000
Multi-organ failures (number of organs)	1.91±1.60	2.68±2.17	1.77±1.44	0.069
Multi-organ failures (number of patients)	126 (88.7 %)	19 (86.4 %)	107 (89.2 %)	0.715
Haematological	112 (78.9 %)	17 (77.3 %)	95 (79.2 %)	0.783
Thoracic	46 (32.4 %)	10 (45.5 %)	36 (30.0 %)	0.154
Cardiovascular	43 (30.3 %)	10 (45.5 %)	33 (27.5 %)	0.092
Renal	31 (21.8 %)	10 (45.5 %)	21 (17.5 %)	0.009
Metabolic acidosis	30 (21.1 %)	8 (36.4 %)	22 (18.3 %)	0.085
Hepatic	14 (9.9 %)	4 (18. %)	10 (8.3 %)	0.233
Mechanical ventilation used	50 (35.3 %)	11 (50.0)	39 (32.5 %)	0.114
CRRT used	20 (14.1 %)	6 (27.3 %)	14 (11.7 %)	0.088

Expressed as mean±sd or frequency (percentage).

APACHE II, Acute Physiology and Chronic Health Evaluation II; TISS, Therapeutic Intervention Scoring System; COPD, chronic obstructive pulmonary disease; CRRT, continuous renal replacement therapy.

*Comparison among dengue patients with and without primary bacteraemia.