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Table 1 Association between clinicopathological characteristics and values of wall rigidity under the barium enema examination profile view in patients with colorectal cancers(n = 145)

From: Role of barium enema examination for the diagnosis of submucosal invasion depth in T1 colorectal cancers

  Cases, n Horizontal rigidity, mm P value Vertical rigidity, mm P value
Tumor size < 20 mm 91 6.0 ± 4.3 0.08 2.1 ± 2.2 0.12
  ≥20 mm 54 9.1 ± 8.3 3.3 ± 3.7
Location Right side of the colon 38 6.2 ± 4.9 0.42 2.6 ± 2.4 0.36
  Left side of the colon 107 7.5 ± 6.6 2.5 ± 3.1
Morphology Protruding type 75 8.5 ± 6.2 0.002 3.2 ± 3.4 0.006
  Superficial type 70 5.7 ± 5.9 1.8 ± 2.1
JNET classification 1/2A/2B 82 5.8 ± 6.0 0.0004 2.3 ± 3.1 0.03
  3 63 8.9 ± 6.1 2.8 ± 2.6
Pit pattern classification I/II/IIIL/IIIs/IV/VI low-irregularity 29 5.2 ± 6.4 0.02 2.0 ± 3.3 0.02
  VI high-irregularity/VN 116 7.7 ± 6.1 2.7 ± 2.8
Histologic type Well/mod/pap 143 7.1 ± 6.3 0.31 2.5 ± 2.9 0.71
  Por/sig/muc 2 9.4 ± 1.3 2.1 ± 0.8
Depth of submucosal invasion < 1.8 mm 53 3.2 ± 4.0 0.0001 1.2 ± 1.7 0.0001
  ≥1.8 mm 92 9.4 ± 6.2 3.3 ± 3.2
Lympho-vascular invasion Positive 48 9.7 ± 6.8 0.0005 3.6 ± 3.8 0.008
  Negative 97 5.9 ± 5.6 2.0 ± 2.2
Tumor budding Grade 1 131 6.9 ± 5.9 0.25 2.5 ± 3.0 0.20
  Grade 2/3 14 10.1 ± 8.6 2.9 ± 2.2
Lymph node metastasis Positive 11 8.2 ± 7.0 0.76 3.0 ± 2.6 0.64
(Only lesions removed surgically) Negative 103 8.4 ± 6.3 2.9 ± 3.1
  1. Continuous values are indicated as mean ± SD (standard deviation). JNET: Japan narrow-band imaging expert team
  2. well well differentiated adenocarcinoma, mod moderately differentiated adenocarcinoma, pap papillary adenocarcinoma, poor poorly differentiated adenocarcinoma, sig signet-ring cell carcinoma, muc mucinous adenocarcinoma