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Table 1 Usage of datasets from multicenter data source

From: Accurate diagnosis of colorectal cancer based on histopathology images using artificial intelligence

Data source Dataset usage Sample preparation Examination type
Radical surgery/colonoscopy
Population* CRC Non-CRC Total
Subjects Slides Subjects Slides Subjects Slides
Xiangya Hospital (XH) A FFPE 100% / 0% Changsha, China 614 614 228 228 842 842
NCT-UMM (NCT-CRC-HE-100 K) B FFPE NA Germany NA NA NA NA NA 86
NCT-UMM (CRC-VAL-HE-7 K) B FFPE NA Germany NA NA NA NA NA 25
XH C FFPE 80% / 20% Changsha, China 3990 7871 1849 2132 5839 10,003
XH D FFPE 89% / 11% Changsha, China 98 99 97 114 195 213
Pingkuang Collaborative Hospital (PCH) C & D FFPE 60% / 40% Jiangxi, China 50 50 46 46 96 96
The Third Xiangya Hospital of CSU (TXH) C & D FFPE 61% / 39% Changsha, China 48 70 48 65 96 135
Hunan Provincial People’s Hospital (HPH) C & D FFPE 61% / 39% Changsha, China 49 50 49 49 98 99
ACL C & D FFPE 22% / 78% Changsha, China 100 100 107 107 207 207
Fudan University Shanghai Cancer Center (FUS) C & D FFPE 97% / 3% Shanghai, China 100 100 98 98 198 198
Guangdong Provincial People’s Hospital (GPH) C & D FFPE 77% / 23% Guangzhou, China 100 100 85 85 185 185
Nanjing Drum Tower Hospital (NJD) C & D FFPE 96% / 4% Nanjing, China 100 100 97 97 197 197
Southwest Hospital (SWH) C & D FFPE 93% / 7% Chongqing, China 99 99 100 100 199 199
The First Affiliated Hospital Air Force Medical University (AMU) C & D FFPE 95% / 5% Xi’an, China 101 101 104 104 205 205
Sun Yat-Sen University Cancer Center (SYU) C & D FFPE 100% / 0% Guangzhou, China 91 91 6 6 97 97
Chinese PLA General Hospital (CGH) C FFPE NA Beijing, China 0 0 100 100 100 100
TCGA (TCGA-Frozen) C Frozen 100% / 0% U.S. 631 1214 110 133 631** 1347
TCGA (TCGA-FFPE) C FFPE 100% / 0% U.S. 441 441 5 5 446 446
Total 6612 11,100 3129 3469 9631 14,680
  1. *Location map available in Supplementary Text 1.a (see Additional file 1). **For the TCGA –Frozen data only, the non-CRC slides were made with normal intestinal tissues on part of the CRC slides