Table 2. The concordance of urine albumin/creatinine ratio using the semi-quantitative method and quantitative testing.
| Quantitative testing (mg/g) |
semi-quantitative method | Sensitivity | Specificity | *Over detected fraction | **Under detected fraction | |||
|---|---|---|---|---|---|---|---|---|
| <30 | 30–300 | ≥300 | ||||||
| All diabetes (n = 1,881) |
<30 | 664 (61.4) | 408 (37.7) | 9 (0.8) | 93.5 | 61.4 | 22.2 | 2.8 |
| 30–300 | 52 (10.8) | 350 (72.9) | 78 (16.2) | |||||
| ≥300 | 0 (0.0) | 17 (5.3) | 303 (94.7) | |||||
| Diabetes with eGFR ≥60 ml/min/m2 and dipstick (-) (n = 1,110) |
<30 | 579 (62.9) | 333 (36.3) | 5 (0.5) | 81.3 | 63.1 | 30.5 | 3.2 |
| 30–300 | 36 (19.4) | 142 (76.3) | 8 (4.3) | |||||
| ≥300 | 0 (0.0) | 2 (28.6) | 5 (71.4) | |||||
*, number of false positives/total number of population x 100
**, number of false negatives/total number of population x 100
eGFR, estimated glomerular filtration rate