Research Article
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. |