Table 1: Clinicopathological features of colorectal cancers patients according to microsatellite instability status.

MSS CRCMSI CRC value
( )( )(MSI versus MSS)

Age0.09
 Mean ± SD61.88 ± 13.459.23 ± 16.8
 Median (range)63.5 (27–85)62 (31–85)
Gender (%)0.29
 Male40 (54.1)14 (63.6)
 Female34 (45.9)8 (36.4)
Tumor location (%)0.04*
 Proximal30 (40.5)4 (18.2)
 Distal44 (59.5)18 (81.8)
Metastasis of lymph node (%)0.259
 Yes46 (62.2)16 (72.7)
 No28 (37.8)6 (27.3)
Tumor size (%)0.595
 <20 mm45 (60.8)11 (50.0)
 20–50 mm23 (31.1)8 (36.4)
 >50 mm6 (8.1)3 (13.6)
Tumor grade (%)0.418
 Well differentiated35 ( 47.3)13 (59.1)
 Moderate differentiated37 (50.0)7 (31.8)
 Poor differentiated2 (2.7)2 (9.1)

MSI: microsatellite instability, MSS: microsatellite stable, CRC: colorectal cancer, SD: standard deviation, : number.
*Significant.