Table 3.
TTE findings according to risk groups (n = 60).
|
Variable |
Low risk group (n = 20) | Intermediate low risk group (n = 10) | Intermediate high risk group (n = 10) | High risk group (n = 20) | P |
|---|---|---|---|---|---|
|
RV/LV ratio: Mean ± SD |
a,b 0.9 ± 0.08 |
a,b 0.9 ± 0.05 |
c,d 1.1 ± 0.05 |
c,d 1.1 ± 0.05 |
<0.001 (HS) |
|
PASP (mmHg): Mean ± SD |
a 33.2 ± 3.9 |
a,b 36.1 ± 4.5 |
b,c,d 37.3 ± 3.5 |
b,c,d 38.5 ± 4.9 |
0.003 (S) |
|
TAPSE (mm): Mean ± SD |
a 23.3 ± 2.7 |
b 21.4 ± 2.1 |
c,d 17.1 ± 2.1 |
c,d 15.3 ± 1.6 |
<0.001 (HS) |
|
S’(cm/sec): Mean ± SD |
a,b 14.2 ± 3.7 |
a,b 12.3 ± 2.2 |
c,d 9.1 ± 1.7 |
c,d 8.8 ± 1.2 |
<0.001 (HS) |
Data represented as mean, and (SD).
S statistically significant (P < 005), HS Highly statistically significant (P < 0.001), Different letters denote significant difference.
TTE transthoracic echocardiography, RV/LV right ventricle/left ventricle ratio, PASP pulmonary artery systolic pressure, TAPSE Tricuspid Annular Plane Systolic Excursion, S′ peak systolic velocity of tricuspid annulus.