Skip to main content

Table 2 Comparisions of normal values of segmental work index

From: Echocardiographic reference ranges for noninvasive left ventricular 18-segment myocardial work index and work efficiency in a healthy Asian population

 

All levels

Basal

Middle

Apical

P-value (levels)

All walls' WI (mmHg%)

–

1694 (1387–2007)

1689 (1427–1952)

1870 (1531–2179)‡§

 < 0.001

Anteroseptal WI (mmHg%)

1688 ± 396

1440 ± 324a

1775 ± 343†

1848 ± 391‡§

 < 0.001

Septal WI (mmHg%)

1808 ± 432

1519 ± 341

1780 ± 339†

2126 ± 378‡§

 < 0.001

Inferior WI (mmHg%)

1894 ± 428

1807 ± 438

1791 ± 371

2082 ± 410‡§

 < 0.001

Posterior WI (mmHg%)

1803 ± 409

1984 ± 374

1630 ± 363†

1796 ± 410‡§

 < 0.001

Lateral WI (mmHg%)

1726 ± 430

1865 ± 396

1599 ± 401†

1715 ± 449‡§

 < 0.001

Anterior WI (mmHg%)

1573 ± 389

1630 ± 399

1536 ± 373†

1552 ± 387‡

0.001

p-value (walls)

 < 0.001

 < 0.001

 < 0.001

 < 0.001

–

  1. Data are displayed as mean ± SD or median (interquartile range), appropriately. †P-value < 0.05 between basal level and middle level. ‡P-value < 0.05 between basal level and apical level. §P-value < 0.05 between middle level and apical level. aAnteroseptal basal WI was significantly lower than any other segmental WI