Table 3 Comparison of Trk IHC and fusion positive (n = 9) and Trk IHC and fusion negative (n = 4569) CRCs

From: NTRK gene rearrangements are highly enriched in MLH1/PMS2 deficient, BRAF wild-type colorectal carcinomas—a study of 4569 cases

Variables

NTRK positive n = 9

NTRK negative n = 4560

P value*

Sex 

Male

3

2242

0.343

Female

6

2318

 

Age

<72 years

4

2006

0.978

≥72 years

5

2554

 

Tumor location

Right colon

8

2286

0.02

Left colon

1

2274

 

Other synchronous colorectal carcinoma(s)

Absent

9

4259

0.425

Present

0

301

 

Tumor size

<40 mm

2

2628

0.029

≥40 mm

7

1894

 

Apical node involvement

Present

0

343

0.391

Absent

9

4203

 

T stage

T1–2

0

1070

0.097

T3–4

9

3488

 

N stage

N0

4

2511

0.522

N1–2

5

2049

 

M stage

M0

9

4341

0.5

M1

0

219

 

AJCCC stage 8th Ed

I–II

4

2485

0.545

III–IV

5

2075

 

Histological grade

Low grade

5

3303

0.108

High grade

4

941

 

Pattern of growth

Pushing

4

1949

0.499

Infiltrative

5

1553

 

Lymphovascular invasion (small vessels)

Present

5

1181

0.213

Absent

4

2133

 

Extramural venous invasion

Present

0

648

0.137

Absent

9

2633

 

Discontinuous tumor nodules

Present

1

687

0.441

Absent

8

2479

 

Margin involvement

Present (<1 mm)

0

218

0.407

Absent

9

2848

 

Mismatch repair proteins expression

Mismatch repair deficient (MMRd)

8

861

0.0001

Mismatch repair proficient (MMRp)

1

3648

 

BRAFV600E mutation

Present

0

1094

0.088

Absent

9

3374

 
  1. *Chi-square test
  2. Bold values indicate statistical significance p-values