Table 2. Echocardiographic parameters by dengue grade at admission.

n	Dengue 22	Dengue + 42	p-value	Severe dengue 15	p-value
HR (b/min)	88 (62 - 110)	80 (50 – 105)	0.001	88 (58 – 115)	0.92
PP (mmHg)	40 (30 – 50)	40 (20 – 50)	0.99	30 (20 – 40)	0.011
SV (ml)	42.6 (23.2 – 61.5)	46.6 (19.0 – 75.1)	0.12	35.7 (25.9 – 59.5)	0.19
CO (l/min)	3.81 (2.15 – 5.39)	3.47 (1.98 – 6.76)	0.46	3.11 (1.87 – 5.21)	0.16
LVDd (cm)	4.17 (3.39 – 5.03)	4.29 (3.25 – 5.22)	0.28	4.10 (2.97 – 4.87)	1.00
EF (%)	68.8 (57.8 – 80.2)	67.8 (54.6 – 79.1)	0.60	66.0 (48.0 – 75.9)	0.095
S′ lat (cm/s)	12.0 (9.0 – 16.5)	11.2 (7.0 – 18.0)	0.32	10.9 (7.0 – 16.0)	0.11
S′ sept (cm/s)	8.1 (6.0 – 13.0)	8.0 (6.0 – 12.2)	0.43	6.4 (4.8 – 10.0)	0.010
S′ RV (cm/s)	13.5 (10.0 – 17.0)	13.0 (9.0 – 22.0)	0.65	11.4 (7.5 – 17.0)	0.016
RMPI	0.14 (0.06 – 0.38)	0.23 (0.03 – 0.42)	0.006	0.17 (0.04 – 0.43)	0.18
L MPI	0.38 (0.22 – 0.70)	0.39 (0.21 – 0.67)	0.94	0.58 (0.26 – 0.80)	0.006
E′ (cm/s)	17 (12 – 25)	17 (8 – 27)	0.33	13 (8 –23)	0.0026
MAPSE(cm/s)	14.0 (11.0 – 18.9)	16.0 (10.0 – 20.0)	0.096	12.8 (9.0 – 17.0)	0.026
TAPSE (cm/s)	20.0 (14.0 – 26.0)	19.7 (13.0 – 29.0)	0.62	16.3 (10.5 – 24.0)	0.0089
IVCCI	46.79(27.10–100)	49.03(13.60–100)	0.86	56.25 (33.70 – 100)	0.19

Data is presented as median (minimum - maximum). P values correspond to differences between dengue with dengue +, and dengue with severe dengue using Mann-Whitney (non-parametric) tests.

HR- heart rate, PP-pulse pressure, CO- Cardiac Output, SV- stroke volume, LVDd- Left ventricular diastolic dimension, EF- Ejection fraction, L MPI and RMPI- Left and right myocardial performance index, S′ lat, Sept, RV – myocardial systolic velocity of lateral wall, septum and right ventricle, MAPSE, TAPSE- Mitral, tricuspid annulus plane excursion, E′- Early diastolic mitral annular velocity, IVCCI- Inferior vena cava collapsibility Index.