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. 2019 Feb 27;9:2881. doi: 10.1038/s41598-019-39416-7

Table 1.

Characteristics of included patients (n = 203) and Polyps (n = 389).

Training Set Test Set
Patients Characteristics
Patient number 112 91
male, n (%) 67 (59.8) 53 (58)
Age, mean ± SD, years 58 ± 8.9 56 ± 9.52
Polyps Characteristics
Polyp number 208 181
No. of lesions per patient, median (IQR) 2 (1–5) 2 (1–6)
Size of lesion, mean ± SD, mm 7.8 ± 8.0 8.2 ± 7.9
Macroscopic type, n (%)
   Is 24 (11.5) 25 (13.8)
   Isp 52 (25.1) 41 (22.7)
   IIa 132 (63.4) 115 (63.5)
Location, n (%)
   Rectum 44 (21.1) 49 (27.1)
   Sigmoid and Descending colon 41 (19.7) 44 (24.3)
   Transverse colon 69 (33.2) 50 (27.6)
   Ascending colon and Cecum 54 (26.0) 38 (21.0)
Histopathology, n (%)
Adenomatous polyps 139 (66.8) 115 (63.5)
Non-adenomatous polyps 69 (33.2) 66 (36.5)

IQR, interquartile range; SD standard deviation.