Table 3 Color evaluation of sixteen urine samples with a creatinine concentration under the cutoff value of 20 mg/dL
From: Urinary creatinine concentration and urine color as indicators of specimen validity test
Sample No | Creatinine concentration (mg/dL) | Korean Standard Color System | CIE L*a*b* color coordinate value | Urine color | |||
|---|---|---|---|---|---|---|---|
Value | Chroma | L* | a* | b* | |||
00036 | 6.3 | 0 | 0 | 90 | 0 | 0 |
|
00164 | 7.5 | 0 | 0 | 90 | 0 | 0 |
|
00140 | 8.3 | 0 | 0 | 90 | 0 | 0 |
|
00064 | 9.2 | 0 | 0 | 90 | 0 | 0 |
|
00012 | 10.5 | 0 | 0 | 90 | 0 | 0 |
|
00224 | 11.8 | 9 | 1 | 90 | 2 | 5 |
|
00159 | 12.1 | 9 | 1 | 90 | 2 | 5 |
|
00112 | 12.9 | 9 | 1 | 90 | − 1 | 9 |
|
00134 | 13.9 | 9 | 1 | 90 | 2 | 5 |
|
00135 | 14.4 | 9 | 1 | 90 | 1 | 7 |
|
00184 | 14.6 | 9 | 1 | 90 | 2 | 5 |
|
00080 | 16.3 | 9 | 1 | 90 | 1 | 7 |
|
00018 | 17.2 | 9 | 1 | 90 | − 1 | 9 |
|
00252 | 17.3 | 9 | 1 | 90 | 2 | 2 |
|
00127 | 18.6 | 9 | 1 | 90 | − 1 | 9 |
|
00111 | 19.6 | 9 | 1 | 90 | 1 | 7 |
|
