Table 3 Multi-Site Evaluation.

From: AutoStitcher: An Automated Program for Efficient and Robust Reconstruction of Digitized Whole Histological Sections from Tissue Fragments

 

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%]