Table 2 Summary of correlation and Bland-Altman analyses of MAP values measured by NIBP or Nexfin® compared with IAP according to each perioperative measurement time point

1

52

0.56*

-2.5 (14.6)

-31.2

to

26.2

27.9

52

0.74*

4.3 (10.4)

-16.2

to

24.9

20.7

2

52

0.72*

-5.5 (12.5)

-29.8

to

20.0

24.1

53

0.79*

1.6 (10.9)

-19.7

to

23.0

21.9

3

52

0.63*

-10 (12.4)

-34.4

to

14.5

33.6

54

0.76*

-1.7 (9.6)

-20.5

to

17.0

27.3

4

50

0.59*

-5.9 (13.9)

-33.3

to

21.4

34

54

0.82*

4.2 (8.8)

-13.2

to

21.6

23.1

5

51

0.48

-2.2 (14.9)

-31.5

to

26.7

36.8

53

0.74*

6.8 (8.9)

-10.6

to

24.2

23.3

6

27

0.62

-3.6 (14.2)

-31.7

to

24.4

39.3

28

0.83*

2.2 (6.4)

-10.4

to

14.8

18.5

7

53

0.71*

-3.3 (11.3)

-25.2

to

18.8

29.4

55

0.88*

5.1 (5.9)

-6.4

to

16.7

17.2

8

54

0.65*

-5.7 (11.2)

-28.0

to

16.4

31.9

55

0.85*

0.8 (6.9)

12.6

to

14.4

20.4

9

54

0.76*

-2.4 (12.7)

-27.2

to

22.2

30.9

56

0.90*

1.6 (7.9)

-13.8

to

17.1

19.7

10

53

0.76*

-4.6 (11.5)

-27.3

to

18.1

30.2

54

0.84*

-3.3 (8.7)

-20.5

to

13.7

23.0

11

55

0.68*

-7.1 (12.7)

-32.2

to

17.9

30.0

55

0.83*

-1.0 (8.3)

-17.4

to

15.2

20.2

12

55

0.70*

-8.0 (10.0)

-27.8

to

11.9

25.5

56

0.79*

-3.6 (7.4)

-18.2

to

10.8

19.4

13

52

0.70*

-1.4 (11.7)

-24.2

to

21.4

26.0

55

0.89*

3.3 (6.4)

-9.0

to

15.7

14.6

14

47

0.70*

-4.9 (15.6)

-35.4

to

25.5

29.7

51

0.78*

2.7 (13.1)

-22.9

to

28.3

25.6

15/16

72

0.59*

5.1 (11.5)

-17.7

to

27.9

21.8

70

0.62*

-0.3 (11.4)

-22.6

to

22.0

20.7