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Table 3 Comparisions of normal values of segmental work efficiency

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' WE (%)

–

95 (92–98)

97 (94–99)†

98 (95–99)‡§

 < 0.001

Anteroseptal WE (%)

96 (93–99)

92 (88–96)a

98 (95–99)†

98 (96–99)‡

 < 0.001

Septal WE (%)

97 (94–99)

95 (91–98)

96 (93–98)†

98 (97–99)‡§

 < 0.001

Inferior WE (%)

97 (94–98)

96 (94–98)

96 (94–98)

98 (95–99)‡§

 < 0.001

Posterior WE (%)

96 (93–98)

95 (92–97)

97 (93–99)†

97 (94–99)‡§

 < 0.001

Lateral WE (%)

97 (95–99)

96 (94–98)

97 (95–99)†

98 (95–99)‡

 < 0.001

Anterior WE (%)

97 (93–98)

96 (92–98)

97 (94–99)†

97 (94–99)‡

 < 0.001

p-value (walls)

 < 0.001

 < 0.001

 < 0.001

 < 0.001

–

  1. Data are displayed as median (interquartile range). †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 WE was significantly lower than any other segmental WE