Table 1 Baseline characteristics
From: A multicenter clinical AI system study for detection and diagnosis of focal liver lesions
Internal cohort from 15 hospitals (8702) | External test cohorts (2029) | Prospective cohort(1225) | |||||
|---|---|---|---|---|---|---|---|
Training (6901) | Internal (1801) | ZZH (844) | QZH (529) | NBH (656) | SRRSH (1225) | ||
Age, Years (Mean ± Std) | 52.68 ± 14.64 | 52.66 ± 14.69 | 54.14 ± 13.85 | 56.09 ± 13.04 | 56.11 ± 12.74 | 50.6 ± 15.46 | |
Sex (Male / Female) | 3807/3,094 | 1132/669 | 525/319 | 293/236 | 384/272 | 692/533 | |
History of hepatitis (No/Yes) | 5650/1,251 | 1210/591 | 729/115 | 424/105 | 536/120 | 1145/80 | |
History of extra-hepatic tumors (No/Yes) | 6069/832 | 1679/122 | 558/286 | 516/13 | 567/89 | 1088/137 | |
History of liver cirrhosis (No/Yes) | 6329/572 | 1581/220 | 805/39 | 473/56 | 603/53 | 1185/40 | |
Number of patients | Malignant | 1760 | 387 | 159 | 141 | 187 | 146 |
Benign | 2346 | 763 | 457 | 188 | 269 | 420 | |
No lesion | 2795 | 651 | 228 | 200 | 200 | 659 | |
Lesion numbers /size (Mean ± Std) (cm3) | Malignant | 3914/117.1 ± 254.6 | 1155/80.8 ± 195.2 | 298/117.9 ± 303.4 | 171/105.7 ± 202.6 | 577/62.1 ± 172.5 | 437/43.8 ± 157.0 |
HCC | 1155/190.8 ± 375.6 | 752/157.7 ± 289.6 | 106/213.9 ± 288.3 | 106/129.9 ± 241.2 | 117/95.7 ± 168.0 | 64/129.3 ± 317.6 | |
ICC | 613/118.7 ± 170.8 | 78/124.8 ± 168.6 | 13/268.2 ± 225.3 | 44/72.5 ± 87.3 | 28/122.4 ± 148.2 | 57/111.7 ± 167.5 | |
HM | 2146/44.3 ± 127.6 | 325/18.7 ± 59.9 | 179/50.6 ± 297.4 | 21/25.5 ± 23.6 | 432/33.1 ± 171.9 | 316/14.4 ± 83.5 | |
Benign | 8650/101.0 ± 319.5 | 1700/53.8 ± 118.9 | 1325/97.4 ± 279.4 | 1350/34.4 ± 116.6 | 1101/26.3 ± 83.5 | 1367/23.6 ± 72.5 | |
HH | 2652/166.4 ± 566.1 | 304/61.1 ± 100.5 | 213/31.3 ± 92.3 | 211/76.7 ± 106.2 | 441/31.3 ± 95.5 | 473/19.8 ± 46.8 | |
FNH | 453/31.9 ± 56.3 | 183/46.1 ± 66.4 | 42/9.9 ± 11.4 | 19/42.4 ± 34.0 | 18/37.8 ± 37.2 | 102/34.8 ± 139.5 | |
HC | 5035/44.8 ± 142.2 | 1153/12.8 ± 109.2 | 801/70.2 ± 325.2 | 1118/25.4 ± 117.1 | 597/2.3 ± 6.7 | 721/12.7 ± 38.6 | |
HA | 510/161.8 ± 198.6 | 60/176.5 ± 189.7 | 269/235.8 ± 235.1 | 2/295.6 ± 3.4 | 45/109.9 ± 139.3 | 71/108.6 ± 151.0 | |
Size (cm3) (Mean ± Std) | 108.0 ± 293.1 | 64.9 ± 155.5 | 101.8 ± 284.9 | 42.9 ± 131.9 | 40.0 ± 126.7 | 28.8 ± 101.3 | |
Lesions/patient (Mean ± Std) | 1.82 ± 3.51 | 1.59 ± 2.94 | 1.92 ± 3.75 | 2.88 ± 5.45 | 2.56 ± 5.15 | 1.47 ± 3.47 | |
