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Table 2 EF, GLS and MW indices grouped by SBP

From: Afterload-related reference values for myocardial work indices

parameters

SBP-groups(mmHg)

90–99

100–109

110–119

120–129

130–139

140–149

150–159

 ≥ 160

EF

63 ± 4

64 ± 4

64 ± 5

65 ± 4

65 ± 5

65 ± 5

64 ± 6

63 ± 5

GLS

-20 ± 2

-20 ± 1

-20 ± 2

-20 ± 1

-21 ± 2

-20 ± 1

-20 ± 2

-19 ± 2

MW indices

  GWI (mmHg%)

1599 ± 182

1743 ± 150

1883 ± 228

2049 ± 182

2223 ± 260

2364 ± 233

2481 ± 211

2690 ± 342

  95%CI

1242–1956

1449–2038

1436–2329

1691–2406

1713–2733

1906–2821

2067–2895

2021–3360

  GWC (mmHg%)

1792 ± 163

1985 ± 153

2143 ± 200

2329 ± 164

2523 ± 247

2706 ± 191

2868 ± 241

3080 ± 321

  95%CI

1471–2112

1684–2285

1752–2535

2007–2650

2039–3007

2332–3080

2395–3341

2451–3708

  GWW (mmHg%)

42 ± 14

53 ± 23

54 ± 26

63 ± 20

76 ± 33

85 ± 30

88 ± 31

125 ± 43

  95%CI

14–71

8–98

3–105

25–102

11–141

26–143

27–148

40–209

  GWE (%)

97(96–98)

97(96–98)

97(96–98)

97(96–97)

97(96–97)

96(95–97)

96(95–97)

95(94–96)

  95%CI

94–99

94–99

94–99

95–99

93–99

93–99

94–98

92–98

  1. Data are expressed as mean ± SD or as median (interquartile range)
  2. EF ejection fraction; GLS global longitudinal strain; MW myocardial work; SBP systolic blood pressure; CI confidence interval; GWI global work index; GCW global constructive work; GWW global wasted work; GWE global work efficiency