Table 3 Multi-Site Evaluation.
University of Pennsylvania (Training) | University of Pennsylvania (Testing) | St. Vincent’s Hospital (Validation) | Cumulative | Inter-Institutional Difference 90% Confidence Interval (University of Pennsylvania (test) vs. St. Vincent’s Hospital). | |
---|---|---|---|---|---|
Number of Patients | 9 | 17 | 17 | 36 | |
Number of Sections | 20 | 44 | 49 | 113 | |
Median PWMHS Size (μm) (Width × Height) | 39,382 × 31,216 | 39,768 × 31,796 | 41,609 × 34,043 | 40,750 × 33,080 | |
Median Absolute Error (ASF) | 945.45 | 974.64 | 1164.4 | 1061.6 | |
Median Normalized Error (ASF) | 2.55% | 2.75% | 3.03% | 2.89% | Statistically equivalent [−0.61%, 0.16%] |
Median Absolute Error (MSF) | 764.41 | 988.71 | 1172.3 | 976.24 | |
Median Normalized Error (MSF) | 2.29% | 2.67% | 2.75% | 2.70% | Statistically equivalent [−0.50%, 0.30%] |
Median Absolute Error (H) | 1014.3 | 1153.7 | 1348.3 | 1141.3 | |
Median Normalized Error (H) | 2.85% | 3.36% | 3.44% | 3.20% | Statistically equivalent [−0.80%, 0.50%] |