Table 2.
Differences in clinicopathologic characteristics according to subgroup analysis
| Variable | Total cases of CRC |
CRC cases with R0 resection |
CRC cases with non-extensive surgery |
|||
|---|---|---|---|---|---|---|
| Solitary CRC (n = 92) | SCRC (n = 46) | Solitary CRC (n = 85) | SCRC (n = 34) | Solitary CRC (n = 92) | SCRC (n = 30) | |
| Age (yr) | 63.5 (33–82) | 66.0 (43–88) | 63.0 (33–82) | 66.0 (48–79) | 63.5 (33–82) | 66.0 (43–88) |
| p-value | .087 | .150 | .168 | |||
| Sex | ||||||
| Male | 59 (64.1) | 37 (80.4) | 56 (65.9) | 25 (73.5) | 59 (64.1) | 24 (80.0) |
| Female | 33 (35.9) | 9 (19.6) | 29 (34.1) | 9 (26.5) | 33 (35.9) | 6 (20.0) |
| p-value | .050 | .419 | .106 | |||
| T category | ||||||
| T2 | 12 (13.0) | 18 (18.2) | 12 (14.1) | 13 (17.8) | 12 (13.0) | 13 (20.3) |
| T3 | 73 (79.3) | 72 (72.7) | 68 (80.0) | 52 (71.2) | 73 (79.3) | 42 (65.6) |
| T4 | 7 (7.6) | 9 (9.1) | 5 (5.9) | 8 (11.0) | 7 (7.6) | 9 (14.1) |
| p-value | .548 | .374 | .154 | |||
| N category | ||||||
| N0 | 49 (53.3) | 12 (26.1) | 49 (57.6) | 12 (35.3) | 49 (53.3) | 8 (26.7) |
| N1, N2 | 43 (46.7) | 34 (73.9) | 36 (42.4) | 22 (64.7) | 43 (46.7) | 22 (73.3) |
| p-value | .003 | .028 | .011 | |||
| M category | ||||||
| M0 | 73 (79.3) | 23 (50.0) | 73 (85.9) | 23 (67.6) | 73 (79.3) | 14 (46.7) |
| Synchronous M1 | 7 (7.6) | 12 (26.1) | - | - | 7 (7.6) | 8 (26.7) |
| Metachronous M1 | 12 (13.0) | 11 (23.9) | 12 (14.1) | 11 (32.4) | 12 (13.0) | 8 (26.7) |
| p-value | .001 | .023 | .002 | |||
| Lymphatic invasion | ||||||
| Absent | 73 (79.3) | 67 (67.7) | 69 (81.2) | 53 (72.6) | 73 (79.3) | 37 (57.8) |
| Present | 19 (20.7) | 32 (32.3) | 16 (18.8) | 20 (27.4) | 19 (20.7) | 27 (42.2) |
| p-value | .068 | .200 | .004 | |||
| Venous invasion | ||||||
| Absent | 86 (93.5) | 85 (85.9) | 81 (95.3) | 65 (89.0) | 86 (93.5) | 55 (85.9) |
| Present | 6 (6.5) | 14 (14.1) | 4 (4.7) | 8 (11.0) | 6 (6.5) | 9 (14.1) |
| p-value | .086 | .139 | .116 | |||
Values are presented as median (range) or number (%).