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Table 3 Results from cardiac index measurements made by LiDCOrapid compared to bolus thermodilution technique with a pulmonary artery catheter

From: Reliability of bioreactance and pulse power analysis in measuring cardiac index during cytoreductive abdominal surgery with hyperthermic intraperitoneal chemotherapy (HIPEC)

LiDCO

rapid

Bias

(l min− 1 m− 2)

Bias

95% CI

LOA lower

(l min− 1 m− 2)

LOA lower

95% CI

LOA upper

(l min− 1 m− 2)

LOA upper

95% CI

Percentage error (%)

Percentage error

95% CI

Regression coefficient

(l min− 1 m− 2) a

(l min− 1 m− 2) 2 b

Regression coefficient

95% CI

All

n = 430

−0.26

−0.34 to − 0.18

− 1.99

−2.43 to − 1.55

1.39

0.95 to 1.84

57.1

42.8 to 74.2

−0.36 a

− 0.44 to − 0.27

Phase 1

n = 29

−0.13

− 0.31 to 0.06

− 1.25

− 1.66 to − 0.84

0.99

0.57 to 1.40

46.1

31.1 to 68.1

−5.72 a

1.20 b

− 10.34 to − 1.10

0.17 to 2.22

Phase 2

n = 268

−0.24

− 0.33 to − 0.14

−1.82

−2.26 to − 1.38

1.40

0.96 to 1.84

56.5

43.1 to 74.7

−0.34 a

− 0.45 to − 0.24

Phase 3

n = 64

−0.41

− 0.66 to − 0.17

− 2.76

−3.52 to − 2.00

1.71

0.95 to 2.47

60.1

41.9 to 88.6

3.78 a

− 0.51 b

1.48 to 6.08

− 0.84 to − 0.18

Phase 4

n = 69

−0.24

− 0.43 to − 0.05

− 2.32

−2.95 to − 1.69

1.48

0.85 to 2.11

54.5

36.9 to 79.6

−0.65 a

− 0.87 to − 0.43

  1. Phase 1 was before the initiation of cytoreductive surgery (CRS) in the operation room, phase was 2 during CRS, phase 3 was during hyperthermic intraperitoneal chemotherapy (HIPEC) and phase 4 was after HIPEC before leaving to the intensive care unit
  2. LOA Limits of agreement
  3. alinear regression
  4. b quadratic term