OPEN ACCESS pISSN 2234-3806
eISSN 2234-3814

Table. 3.

Table. 3.

Suggested pediatric reference intervals for plasma PINP (automated Roche Diagnostics and Immunodiagnostic Systems assays) and β-CTX (Roche Diagnostics assay only)*

Analyte Female Male
Age, yrs Lower Upper Age, yrs Lower Upper
PINP, µg/L 0 to <1 600 3,000 0 to <1 600 3,000
1 to <2 600 2,000 1 to <2 600 2,000
2 to <3 300 1,300 2 to <3 300 1,300
3 to <9 300 950 3 to <11 300 950
9 to <14 300 1,200 11 to <16 300 1,400
14 to <15 150 800 16 to <19 150 850
15 to <17 30 500
17 to <18 30 300
18 to <23 30 150
23 to <26 20 100
β-CTX, ng/L 0 to <5 600 1,700 0 to <5 600 1,700
5 to < 9 700 1,900 5 to <9 700 1,900
9 to <14 900 2,600 9 to <11 900 2,400
14 to <16 400 2,000 11 to <13 1,000 3,000
16 to <17 400 1,500 13 to <15 1,000 3,300
17 to <20 400 1,200 15 to <16 1,000 3,000
20 to <23 300 1,200 16 to <17 750 2,700
23 to <26 200 1,000 17 to <19 500 2,300

*The results shown in this table were reprinted from [12] with permission.

Abbreviations: PINP, procollagen type-I N-terminal propeptide; β-CTX, β-isomerized carboxy-terminal telopeptide of collagen type-I.

Ann Lab Med 2024;44:126~134 https://doi.org/10.3343/alm.2023.0214

© Ann Lab Med