Table 1.
The reference intervals (RI) and confidence intervals (CI) for the creatinine-adjusted urinary KIM-1 levels for children. The ratio of the 90% confidence interval to the reference interval of the 97.5th quantile is given as the CI:RI ratio.
| Age Group/Years | Urinary KIM-1 Concentration/(ng/mg Cr) | CI:RI Ratio | ||
|---|---|---|---|---|
| 2.5th Quantile (90% CI) |
50th Quantile (90% CI) |
97.5th Quantile (90% CI) |
||
| Male (N = 425) | ||||
| 10–13 (N = 50) |
0.0008 (0.0003–0.0012) |
0.0966 (0–0.1999) |
1.1220 (0.3204–1.9236) |
1.4289 |
| 13–14 (N = 123) |
0.0005 0.0003–0.0007) |
0.0939 (0.0290–0.1589) |
0.7818 (0.3021–1.2616) |
1.2272 |
| 14–15 (N = 112) |
0.0005 (0.0003–0.0006) |
0.0800 (0.0343–0.1258) |
0.8813 (0.7267–1.0359) |
0.3500 |
| 15–16 (N = 109) |
0.0005 (0.0002–0.0007) |
0.0984 (0.0558–0.1411) |
1.1915 (0.8019–1.5811) |
0.6539 |
| 16–18 (N = 31) |
0.0009 (0–0.0367) |
0.4262 (0.3534–0.4991) |
1.8930 (1.3911–2.3949) |
0.5303 |
| Female (N =484) | ||||
| 10–13 (N = 44) |
0.0010 (0.0001–0.0019) |
0.1188 (0–0.2625) |
0.8253 (0–2.2014) |
1.9990 |
| 13–14 (N = 127) |
0.0006 (0.0005–0.0007) |
0.0781 (0.0244–0.1319) |
1.2904 (0.5197–2.0611) |
1.1945 |
| 14–15 (N = 142) |
0.0005 (0.0003–0.0006) |
0.1395 (0.0868–0.1921) |
0.9105 (0–1.9010) |
2.0000 |
| 15–16 (N = 131) |
0.0009 (0.0006–0.0013) |
0.1737 (0.1188–0.2286) |
2.3671 (1.4606–3.2735) |
0.7659 |
| 16–18 (N = 40) |
0.0008 (0–0.0792) |
0.5076 (0.3751–0.6401) |
2.8650 (2.6851–3.0450) |
0.1256 |