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Table 1 Information about the participating medical institutions

From: Artificial intelligence improves the accuracy of residents in the diagnosis of hip fractures: a multicenter study

  Gamagori City Hospital Tsushima City Hospital Nagoya Daini Red Cross Hospital Overall P-value
Medical sphere (Number of people) 140,000 300,000 570,000 1,010,000 < 0.001*
Number of ambulances per year in 2019 3351 4380 12,726 20,457 < 0.001*
Number of emergency patients in 2019 14,131 13,724 37,713 65,568 < 0.001*
Number of residents in 2019 7 11 47 65 < 0.001*
X-ray generator MODEL TF-6TL-6 (TOSHIBA, Japan) UD150L-40 (SHIMADZU, Japan) DHF-153HII (HITACHI, Japan)  
Image processing unit CALNEO Smart C12 (FUJIFILM, Japan) Aero DR (Konica Minolta, Japan) FCR VELOCITY (FUJITSU, Japan)
Image file format .jpeg .dcm .jpeg
Image size 4892 × 4020 pixel 3451 × 2836 pixel 2039 × 1380 pixel
  1. * P < 0.05