Table 3 Perioperative outcomes and histopathology
Variable | Laparoscopic surgery (n = 52) | Open surgery (n = 75) | P value |
|---|---|---|---|
Median operation time, min (IQR) | 253 (200–295) | 210 (165–220) | < 0.001 |
Median blood loss, ml (IQR) | 180 (146–214) | 320 (290-350) | < 0.001 |
Conversion to laparotomy, n (%) | 3 (6) | _ | _ |
Total postoperative complications, n (%) | 18 (35) | 34 (45) | 0.227 |
Sever postoperative complications, n (%) | 10 (19) | 19 (26) | 0.397 |
Postoperative mortality, n (%) | 3 (6) | 5 (7) | 1.000 |
Median ICU stay, days (IQR) | 2 (1–2) | 4 (3–4) | < 0.001 |
Median opioid analgesia, days (IQR) | 2 (2–3) | 4 (3–4) | < 0.001 |
Median hospital stay, days (IQR) | 8 (7–9) | 10 (8–12) | < 0.001 |
Total number of removed lymph nodes, median (IQR) | 24 (18–25) | 25 (20–26) | 0.063 |
Radicality, n (%) | Â | Â | 0.688 |
 R0 | 38 (73) | 54 (72) |  |
 R1 | 10 (19) | 12 (16) |  |
 R2 | 4 (8) | 9 (12) |  |
Type of cancer, n (%) | Â | Â | 0.904 |
 Adenocarcinoma | 40 (77) | 57 (76) |  |
 Signet ring cell carcinoma | 12 (23) | 18 (24) |  |
Pathohistological differentiation, n (%) | Â | Â | 0.779 |
 Well differentiated (G1) | 8 (16) | 15 (20) |  |
 Moderately differentiated (G2) | 11 (21) | 18 (24) |  |
 Poorly differentiated (G3) | 21 (40) | 24 (32) |  |
 Undifferentiated (G4) | 12 (23) | 18 (24) |  |
T-stage, n (%) | Â | Â | 0.445 |
 T2 | 5 (10) | 5 (7) |  |
 T3 | 20 (38) | 21 (28) |  |
 T4a | 19 (37) | 31 (41) |  |
 T4b | 8 (15) | 18 (24) |  |
N-status | Â | Â | 0.774 |
 N0 | 5 (10) | 8 (11) |  |
 N1 | 12 (23) | 15 (20) |  |
 N2 | 15 (29) | 17 (23) |  |
 N3a-N3b | 20 (38) | 35 (46) |  |
Cancer stage (TNM 8th), n (%) | Â | Â | 0.919 |
 IIB | 3 (6) | 5 (7) |  |
 IIIA | 12 (23) | 13 (17) |  |
 IIIB | 10 (19) | 14 (19) |  |
 IIIC | 9 (17) | 17 (23) |  |
 IV | 18 (35) | 26 (34) |  |