Table 1 Distribution of inconsistent Crea and Cys C results across sex and age groups based on old and updated ris.
From: Updated reference intervals for serum cystatin C and creatinine based on age and sex variations
Groups | Sex | Crea > URI (%) | Cys C > URI (%) | Crea or Cys C > URI (%) | Both > URI (%) |
---|---|---|---|---|---|
Old non-partitioned by age and sex RIs | |||||
20–60 (n = 14102) | F (n = 9859) | 112 (1.14%) | 44 (0.45%) | 148 (1.5%) | 8 (5.4%) |
M (n = 4243) | 82 (1.93%) | 106 (2.50%) | 173(4.08%) | 15 (8.7%) | |
> 60 (n = 866) | F (n = 467) | 2 (0.43%) | 35 (7.50%) | 37 (7.92%) | 0 |
M (n = 399) | 2 (0.50%) | 79 (19.8%) | 81 (20.30%) | 0 | |
Updated age- and sex-partitioned RIs | |||||
≤ 18 | F (n = 25) | 0 | 0 | 0 | 0 |
M (n = 6) | 0 | 0 | 0 | 0 | |
18 < age ≤ 30 | F (n = 2778) | 94 (3.4%) | 64 (2.3%) | 143 (5.1%) | 15 (10.5%) |
M (n = 1041) | 40 (3.8%) | 33 (3.2%) | 66 (6.3%) | 7 (10.6%) | |
30 < age ≤ 40 | F (n = 3447) | 102 (3.0%) | 122 (3.5%) | 205 (5.9%) | 19 (9.3%) |
M (n = 1424) | 95 (6.7%) | 78 (5.5%) | 163 (11.4%) | 10 (6.1%) | |
40 < age ≤ 50 | F (n = 2222) | 77 (3.5%) | 72 (3.2%) | 135 (6.1%) | 14 (10.4%) |
M (n = 958) | 33 (3.4%) | 27 (2.8%) | 55 (5.7%) | 5 (9.1%) | |
50 < age ≤ 60 | F (n = 1387) | 59 (4.3%) | 54 (3.9%) | 97 (7.0%) | 16 (16.5%) |
M (n = 814) | 32 (3.9%) | 30 (3.7%) | 53 (6.5%) | 9 (17.0%) | |
60 < age ≤ 70 | F (n = 372) | 6 (1.6%) | 8 (2.2%) | 14 (3.8%) | 0 |
M (n = 305) | 7 (2.3%) | 11 (3.6%) | 16 (5.2%) | 2 (12.5%) | |
≥ 71 | F (n = 95) | 0 | 0 | 0 | 0 |
M (n = 94) | 6 (6.4%) | 4 (4.3%) | 8 (8.5%) | 2 (25%) |