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Table 3 Comparisons of MW parameters in the study groups

From: Non-invasive myocardial work index contributes to early identification of impaired left ventricular myocardial function in uremic patients with preserved left ventricular ejection fraction

Variable

Normal group

n = 27

Uremic group

n = 26

t

P-value

GWI (mmHg%)

1927.74 ± 164.01

1863.23 ± 284.71

− 1.006

0.321

GCW (mmHg%)

2086.55 ± 199.59

2163.26 ± 324.98

1.040

0.309

GWW (mmHg%)

83.77 ± 37.42

238.34 ± 1 ± 14.89a

6.637

 < 0.001

GWE (%)

95.48 ± 1.80

88.80 ± 3.08a

− 9.655

 < 0.001

  1. Values are mean ± standard deviation
  2. GWI global work index, GCW global constructive work, GWW global wasted work, GWE global work efficiency
  3. aP < 0.05 vs. normal group