Age- and Sex-Specific Reference Intervals for Myocardial Enzyme Activity in Healthy Chinese Han Population Aged 1∼<18 years

Table 4

Comparison of reference intervals for myocardial enzyme activity applied with similar detection systems and/or methodologies.

This study

Other country research

Cao et al. [29]

System/method

Age

Sex

RI

System/method

Age

Sex

RI

System/method

Age

Sex

RI

AST (U/L)

VITROS 5600/multipoint rate

1∼<7

M + F

22.7–51.9

VITROS 5600/rate [30]

1∼<7

M + F

33–66

VITROS 350/rate

3 m∼<3 y

M + F

23–60

7∼<12

M

18.2–36.4

7∼<12

M + F

28–50

3 y∼<12 y

M + F

24–47

F

16.0–33.8

12∼<18

M

24–49

12∼<18

M + F

17–47

12∼<18

M

15.4–33.3

F

23–41

F

13.7–26.6

LDH (U/L)

VITROS 5600/multipoint rate

1∼<7

M + F

434.9–737.7

Abbott ARCHITECT/rate [30]

1∼<10

M + F

309–1222

VITROS 350/rate

3 m∼<3 y

M + F

504–896

7∼<12

M

408.8–663.7

10∼<15

M + F

163–452

3 y∼<12 y

M + F

491–790

F

373.8–642.1

15∼<19

M + F

192–321

12∼<18

M + F

342–716

12∼<15

M

364.8–641.0

15∼<18

M

314.6–568.6

12∼<18

F

315.7–554.9

CK (U/L)

VITROS 5600/multipoint rate

1∼<18

M

49.1–194.1

VITROS/rate [31]

13∼24 m

M

27–160

VITROS 350/rate

3 m∼<12 y

M + F

50–226

1∼<7

F

41.0–166.5

F

24–175

12 y∼<18 y

M

47–256

7∼<12

F

39.3–155.4

2∼14

M

30–150

F

34–235

12∼<15

F

36.6–129.2

2∼10

F

24–175

15∼<18

F

32.0–105.9

11∼14

F

30–170

15∼18

M

33–145

F

27–140

CKMB (U/L)

VITROS 5600/multipoint rate

1∼<7

M + F

11.4–38.9

VITROS 350/rate

3 m∼<6 y

M + F

18–44

7∼<15

M

7.9–34.2

6 y∼<12 y

M + F

7–35

7∼<12

F

7.4–30.7

12 y∼<18 y

M + F

7–28

12∼<15

F

2.8–23.3

15∼<18

F

2.7–15.5

15∼<18

M

2.1–20.8

Lowest detection limit. Actual values could be lower.