Observational Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Aug 21, 2021; 27(31): 5272-5287
Published online Aug 21, 2021. doi: 10.3748/wjg.v27.i31.5272
Table 4 Number of colorectal lesions and the proportion of colorectal cancer among colorectal lesions by localization, according to the previous rate and the last rate of fecal hemoglobin
Fhb(0) by Fhb(-1)Colorectal lesion number (%Specified localization)
Number of colorectal lesions by localization and proportion of CRC
Specified localization: number (% CRC)
Cecum: number (% CRC)
Right colon: number (% CRC)
Transverse colon: number (%CRC)
Left colon: number (%CRC)
Rectosigmoid: number (%CRC)
P value1       
Fhb(-1) (ngHb/mL)Fhb(0) (ngHb/mL)
Overall150-3004390 (57.0)2500 (5.4)195 (6.7)490 (5.3)221 (3.2)252 (3.2)1342 (6.1)0.2
> 3004358 (59.7)2600 (13.4)179 (16.8)432 (11.8)176 (11.4)235 (11.1)1578 (14.1)0.3
Total 8748 (58.3)5100 (9.5)374 (11.5)922 (8.4)397 (6.8)487 (7.0)2920 (10.4)0.01
0150-3003609 (55.7)2011 (5.3)154 (7.8)391 (5.1)176 (2.8)200 (3.0)1090 (5.8)0.2
> 3003476 (58.2)2022 (12.0)145 (14.5)355 (10.1)139 (8.6)185 (10.3)1198 (12.9)0.3
Subtotal 7085 (56.9)4033 (8.6)299 (11.0)746 (7.5)315 (5.4)385 (6.5)2288 (9.5)0.02
0-50150-30063 (61.9)39 (10.3)2 (0.0)6 (16.7)4 (0.0)8 (12.5)19 (10.5)1.0
> 30070 (55.7)39 (12.8)2 (0.0)4 (25.0)2 (0.0)3 (0.0)28 (14.3)0.8
Subtotal 133 (58.7)78 (11.5)4 (0.0)10 (20)6 (0.0)11 (9.1)47 (12.8)0.9
50-100150-300464 (62.1)288 (5.6)24 (0.0)66 (4.6)23 (4.4)23 (0.0)152 (7.9)0.5
> 300519 (63.0)327 (17.1)22 (27.3)46 (17.4)21 (23.8)29 (10.3)209 (16.3)0.5
Subtotal 983 (62.6)615 (11.7)46 (13.0)112 (9.8)44 (13.6)52 (5.8)361 (12.7)0.6
100-149150-300254 (63.8)162 (6.2)15 (6.7)27 (7.4)18 (5.6)21 (4.8)81 (6.2)1.0
> 300293 (72.4)212 (21.7)10 (30.0)27 (22.2)14 (21.4)18 (22.2)143 (21.0)1.0
Subtotal 547 (68.4)374 (15)25 (16.0)54 (14.8)32 (12.5)39 (12.8)224 (15.6)1.0