Table 1 Patient demographics and tumor location in initial study cohort including interval and non-interval colorectal cancers (CRC) (n = 982)

From: Clinicopathologic and genetic characteristics of interval colorectal carcinomas favor origin from missed or incompletely excised precursors

Total study population

Interval CRC (N = 51) N (col %)

Non-interval CRC (N = 931) N (col %)

Median (IQR)

74 (16)

63 (23)

Range

37–89

18–97

   <50

2 (4)

180 (19)

   50–69

21 (41)

437 (47)

   ≥70

28 (55)

314 (34)a

Gender

  

   Female

26 (51)

457 (49)b

   Male

25 (49)

474 (51)

Tumor site

  

   Left colon

23 (45)

591 (63)

   Right colon

28 (55)

334 (36)c

   Crossing splenic flexure

0 (0)

6 (1)

  1. ap = 0.002; bp = 0.79; cp = 0.02
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