Table 3.
Perioperative outcomes. NCTs: Neoadjuvant treatments. *Mean ± standard deviation.
| 2019 | 2020 | P | Rate of patients with available data, % | |
|---|---|---|---|---|
| Preoperative | ||||
| Urgent diagnosis n, (%) | 857(20.3) | 900 (24.2) | < .001 | 97 |
| NCTs n, (%) | 778 (19.5) | 843 (24.1) | < .001 | 91 |
| Interval of time diagnosis - surgery (days) * | 56.8 (8.48) | 64.2 (53.03) | < .001 | 90 |
| Perioperative | ||||
| Urgent CRC resection n, (%) | 224 (7.3) | 248 (9.3) | .005 | 100 |
| Unresectable n, (%) | 244 (5.9) | 244 (6.4) | .28 | 95 |
| Palliative procedure n, (%) | 249 (5.7) | 256 (6.6) | .11 | 99 |
| MI procedure n, (%) | 2746 (63.4) | 2399 (62.1) | .23 | 99 |
| Conversion rate n, (%) | 234 (9.2) | 2399 (7.2) | .01 | 94 |
| MI CRC resection n, (%) | 2379 (78.4) | 1986 (75.6) | .009 | 99 |
| Conversion rate of CRC resection n, (%) | 191 (8.7) | 130 (6.9) | .03 | 93 |
| Postoperative outcomes | ||||
| LOS days * | 12.1 (11.4) | 11.6 (11) | .04 | 99 |
| Postoperative Complications III-V n, (%) | 583 (13.7) | 487 (12.8) | .20 | 97 |
| 30 days re- admission n, (%) | 180 (4.4) | 189 (5) | .16 | 95 |
| 30 days mortality n, (%) | 81 (1.9) | 93 (2.5) | .09 | 96 |
| Short-term oncological outcomes | ||||
| Adjuvant treatment n,(%) | 1200 (35.9) | 1084 (36.2) | .80 | 77 |
| Number of Lymph nodes Retrieved* | 25.4 (15.6) | 24.6 (15) | .03 | 89 |
| Lymph nodes + % - n (*) | 7 – 1.96(4.18) | 9 – 2.22 (4.63) | < .001 | 92 |
| Patients with Lymph nodes + n, (%) | 1603 (41.6) | 1587(43.) | .23 | 92 |
| Resection margin involvement (R1-R2) n, (%) | 302 (7.9) | 253 (7.4) | .4 | 91 |
| Lymphovascular and perineural invasion n, (%) | 1929 (62.1) | 1727 (63.6) | .25 | 75 |