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Table 1 Clinicopathological features of sporadic CRC patients included in this study

From: Genomic amplification of chromosome 20q13.33 is the early biomarker for the development of sporadic colorectal carcinoma

Variables Number (%) MSI-H MSI-L MSS P value
No. of patients 377 38 58 281  
Gender      0.042
 Male 219 (58.1) 23 25 171  
 Female 158 (41.9) 15 33 110  
Age      0.007
 < 50 49 (13) 11 5 33  
 ≥ 50 328 (87) 27 53 248  
AJCC stage      0.925
 Early (stage I/II) 173 (45.9) 19 25 129  
 Late (stage III/IV) 202 (53.6) 21 32 149  
 Both 2 (0.5) 1 1 0  
Location of tumor      < 0.001
 Right 124 (32.9) 24 17 83  
 Left (including rectum) 253 (67.1) 14 41 198  
Differentiation of tumor      0.014
 Poor 38 (10.1) 9 8 21  
 Moderate 294 (78) 27 41 226  
 Well 45 (11.9) 2 9 34