Characteristics and follow up of patients according to microsatellite instability status
| MSI (n = 24) | MSS (n = 118) | p Value* | |
|---|---|---|---|
| MSI, microsatellite instability; MSS, microsatellite stable; | |||
| †Values are median [minimum−maximum]. | |||
| *Mann-Whitney test or Fisher’s exact test. | |||
| Age (y)† | 74 [29–94] | 69 [35–93] | 0.56 |
| Follow up (months)† | 50 [26–82] | 43 [2.5–86] | 0.02 |
| Sex (female/male) | 19 (79%)/5 (212%) | 59 (50%)/59 (50%) | 0.0123 |
| Perineural invasion, lymphovascular invasion, or presence of vascular neoplastic emboli (Y/N) | 4 (17%)/20 (83%) | 45 (38%)/73 (62%) | 0.058 |
| Perineural invasion (Y/N) | 2 (8%)/22 (92%) | 24 (20%)/94 (80%) | 0.24 |
| Lymphovascular invasion (Y/N) | 1 (4%)/23 (96%) | 20 (17%)/98 (83%) | 0.20 |
| Presence of vascular neoplastic emboli (Y/N) | 1 (4%)/23 (96%) | 16 (14%)/102 (86%) | 0.30 |
| Right sided tumour (Y/N) | 19 (79%)/5 (21%) | 59 (50%)/59 (50%) | 0.012 |
| Recurrence (Y/N) | 0 (0%)/24 (100%) | 15 (13%)/103 (87%) | 0.07 |