Table 1 Comparison of automated and visual anti-nuclear antibody interpretation in a university routine laboratory
Visual interpretation | |||||
|---|---|---|---|---|---|
Positive | Weak positive | Negative | Number (percentage) | ||
Automated interpretation | Positive | 139 | 404 | 3 | 546 (59.1%) |
Weak positive | 1 | 113 | 26 | 140 (15.1%) | |
Negative | 0 | 39 | 199 | 238 (25.8%) | |
Number (percentage) | 140 (15.1%) | 556 (60.2%) | 228 (24.7) | 924 | |