Table 3 Comparison of various conventional echocardiographic indexes.
From: Assessment of pit viper associated subclinical myocardial injury by speckle tracking imaging
Characteristics | Healthy Controls(n = 34) | Snakebite patients(n = 37) | Z/t | p | Mild group(n = 25) | Moderate group(n = 7) | Severe group(n = 5) | H | p |
|---|---|---|---|---|---|---|---|---|---|
E/A | 1.110 (0.8,1.3) | 0.870 (0.8,1.3) | − 0.840 | 0.401 | 0.910 (0.7,1.4) | 0.850 (0.8,0.9) | 1.120 (0.6,1.4) | 0.488 | 0.784 |
E/e’ | 8.620 (7.1,10.3) | 9.480 (8.1,11.4) | − 1.571 | 0.116 | 9.100 (7.5,11.1) | 10.880 (8.9,13.0) | 9.870 (8.5,11.7) | 1.828 | 0.401 |
Tei index | 0.420 (0.4,0.5) | 0.501 (0.5,0.6) | − 3.293 | 0.001 | 0.483 (0.4,0.6) | 0.501 (0.5,0.6) | 0.533 (0.5,0.5) | 0.540 | 0.763 |
LVEDV (ml) | 47.400 (37.2,59.5) | 48.000 (41.0,55.3) | − 0.610 | 0.542 | 48.000 (41.0,59.3) | 52.700 (46.8,62.8) | 43.800 (35.2,51.1) | 1.978 | 0.372 |
LVESV (ml) | 18.400 (12.6,21.1) | 16.300 (11.8,20.1) | − 0.804 | 0.422 | 17.200 (13.8,21.0) | 17.200 (10.5,21.0) | 11.500 (11.1,17.4) | 2.040 | 0.361 |
SV (ml) | 29.600 (24.8,39.9) | 32.600 (27.7,38.5) | − 0.560 | 0.576 | 32.700 (26.3,38.0) | 37.700 (29.9,45.6) | 28.400 (23.9,35.9) | 2.057 | 0.358 |
CO (l/min) | 2.600 (1.8,2.8) | 2.100 (2.0,2.8) | − 0.633 | 0.527 | 2.100 (1.9,2.4) | 2.800 (2.2,3.5) | 2.000 (1.8,2.8) | 3.959 | 0.138 |
FS(%) | 37.12 ± 3.99 | 37.03 ± 4.55 | 0.006 | 0.936 | 35.900 (34.1,39.8) | 39.200 (33.3,44.0) | 34.100 (31.3,41.5) | 1.181 | 0.554 |
EF(%) | 64.900 (61.4,67.7) | 65.700 (61.6,71.3) | − 0.883 | 0.377 | 65.000 (61.0,70.9) | 69.500 (61.5,72.6) | 70.800 (62.0,72.9) | 1.327 | 0.515 |