Table 1.
Age and gender specific 2.5th and 97.5th percentile results for 8 liver function tests in healthy children aged 2–14 years (n = 1394)
| Age (y) | Sex | n | ALT (U/L) | AST (U/L) | GGT (U/L) | ALP (U/L) | TP (g/L) | ALB (g/L) | TBIL (µmol/L) | DBIL (µmol/L) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | 2.5 | 97.5 | |||
| 2 | M | 109 | 8 | 22 | 27 | 49 | 8 | 15 | 174 | 361 | 59.5 | 73.2 | 40.1 | 53.3 | 2.7 | 9.3 | 0.9 | 2.6 |
| F | 87 | 9 | 25 | 27 | 47 | 7 | 16 | 173 | 426 | 61.6 | 72.0 | 41.4 | 51.9 | 3.3 | 14.0 | 0.9 | 3.6 | |
| 3 | M | 135 | 7 | 25 | 26 | 45 | 7 | 17 | 156 | 364 | 60.8 | 74.6 | 41.1 | 52.5 | 3.0 | 13.8 | 1.0 | 3.5 |
| F | 121 | 9 | 22 | 20 | 42 | 8 | 16 | 162 | 365 | 59.2 | 73.7 | 39.7 | 53.1 | 3.2 | 10.6 | 0.8 | 2.9 | |
| 4 | M | 79 | 7 | 20 | 25 | 39 | 8 | 15 | 148 | 337 | 60.3 | 76.3 | 40.8 | 50.5 | 3.9 | 15.2 | 0.9 | 3.8 |
| F | 72 | 7 | 19 | 20 | 44 | 8 | 16 | 150 | 326 | 53.7 | 75.9 | 39.7 | 51.2 | 3.2 | 16.3 | 1.1 | 4.0 | |
| 5 | M | 78 | 7 | 22 | 25 | 44 | 9 | 20 | 144 | 369 | 60.9 | 76.9 | 40.3 | 52.5 | 4.4 | 13.6 | 1.4 | 3.7 |
| F | 75 | 6 | 21 | 21 | 41 | 7 | 19 | 143 | 360 | 59.8 | 74.0 | 39.7 | 52.2 | 3.9 | 12.4 | 1.3 | 3.2 | |
| 6 | M | 57 | 6 | 23 | 20 | 40 | 9 | 17 | 152 | 356 | 58.8 | 75.2 | 40.7 | 52.1 | 4.1 | 11.8 | 1.2 | 3.7 |
| F | 46 | 6 | 23 | 19 | 39 | 8 | 16 | 180 | 372 | 59.9 | 76.8 | 38.6 | 50.1 | 3.4 | 12.9 | 0.9 | 3.2 | |
| 7 | M | 43 | 4 | 18 | 8 | 35 | 10 | 16 | 129 | 359 | 63.9 | 77.1 | 41.2 | 51.4 | 2.8 | 13.5 | 1.1 | 3.6 |
| F | 35 | 4 | 16 | 10 | 37 | 8 | 16 | 136 | 345 | 63.8 | 78.5 | 40.9 | 53.3 | 3.6 | 14.9 | 1.2 | 3.6 | |
| 8 | M | 32 | 4 | 18 | 16 | 34 | 9 | 21 | 153 | 333 | 61.1 | 76.2 | 40.8 | 50.6 | 5.4 | 14.1 | 1.9 | 4.0 |
| F | 23 | 6 | 20 | 14 | 30 | 7 | 22 | 165 | 290 | 66.4 | 73.2 | 42.8 | 47.6 | 5.5 | 12.5 | 1.6 | 3.7 | |
| 9 | M | 24 | 6 | 18 | 18 | 30 | 7 | 19 | 144 | 367 | 65.4 | 74.6 | 41.7 | 51.9 | 6.0 | 14.6 | 1.8 | 4.4 |
| F | 24 | 5 | 16 | 14 | 34 | 5 | 25 | 151 | 351 | 64.7 | 75.0 | 42.3 | 49.0 | 6.9 | 12.6 | 1.9 | 3.6 | |
| 10 | M | 41 | 4 | 19 | 16 | 30 | 8 | 20 | 151 | 359 | 62.2 | 76.7 | 41.0 | 50.2 | 5.2 | 15.3 | 1.7 | 4.5 |
| F | 53 | 3 | 19 | 13 | 29 | 7 | 22 | 137 | 462 | 59.4 | 79.1 | 39.0 | 50.2 | 4.0 | 16.6 | 1.6 | 5.3 | |
| 11 | M | 29 | 5 | 33 | 14 | 35 | 11 | 27 | 153 | 412 | 55.8 | 81.3 | 37.4 | 52.8 | 5.3 | 15.4 | 1.7 | 4.3 |
| F | 27 | 6 | 17 | 12 | 34 | 10 | 27 | 110 | 366 | 62.5 | 77.5 | 39.9 | 51.6 | 4.6 | 13.6 | 1.6 | 4.3 | |
| 12 | M | 33 | 5 | 30 | 15 | 42 | 10 | 45 | 160 | 516 | 65.4 | 79.0 | 41.0 | 53.0 | 5.7 | 12.6 | 1.8 | 3.5 |
| F | 30 | 5 | 18 | 13 | 29 | 9 | 22 | 97 | 354 | 65.7 | 78.3 | 42.2 | 51.8 | 4.5 | 15.0 | 1.6 | 4.1 | |
| 13 | M | 31 | 7 | 33 | 15 | 36 | 10 | 32 | 134 | 437 | 64.0 | 77.2 | 43.4 | 51.8 | 5.1 | 15.4 | 1.5 | 3.8 |
| F | 23 | 5 | 16 | 15 | 22 | 8 | 18 | 68 | 224 | 66.2 | 76.4 | 43.2 | 51.2 | 3.4 | 21.3 | 0.9 | 5.3 | |
| 14 | M | 54 | 7 | 35 | 14 | 30 | 10 | 40 | 126 | 424 | 64.7 | 81.9 | 41.3 | 53.7 | 4.5 | 16.0 | 1.7 | 4.3 |
| F | 33 | 5 | 30 | 14 | 23 | 9 | 33 | 49 | 152 | 67.6 | 78.2 | 42.7 | 51.9 | 4.4 | 18.4 | 2.0 | 5.3 | |
ALT alanine aminotransferase, AST aspartate aminotransferase, GGT γ-glutamyltransferase, ALP alkaline phosphatase, TP total protein, ALB albumin, TBIL total bilirubin, DBIL direct bilirubin, M male, F female