Table 4 Comparison of operative results between LS and RALS
Factor | LS n = 63 | RALS n = 37 | p value |
|---|---|---|---|
Surgical procedure (APR/LAR, ISR, Hartmann) | 38/25 | 12/25 | < 0.01 |
Operative time (minutes) | 527 (385–833) | 626 (385–815) | < 0.01 |
Blood loss (ml) | 100 (10-2300) | 50 (15–560) | < 0.01 |
LLND laterality (bilateral/unilateral) | 36/27 | 29/8 | 0.03 |
LLND time (minutes) | Â | Â | Â |
・Bilateral | 156 (95–256) | 170 (90–230) | 0.51 |
・Unilateral | 80 (47–120) | 94 (72–143) | 0.36 |
Harvested LN (total) | 26 (6–59) | 26.5 (5–76) | 0.66 |
Harvested LN (LLND) | 11 (2–33) | 11 (1–40) | 0.57 |
IVA resection (yes/no) | 7/56 | 3/34 | 0.74 |
LCA preservation (yes/no) | 17/31 | 0/27 | < 0.01 |
DS creation (yes/no) | 23/33 | 22/11 | 0.03 |
IOCs (yes/no) | 18/44 | 7/27 | 0.37 |
Conversion to open surgery (yes/no) | 1/62 | 0/37 | 1.00 |
POCs (CD ≥ Grade 2) (yes/no) | 33/30 | 26/11 | 0.08 |
・Urinary dysfunction (yes/no) | 15/48 | 11/26 | 0.51 |
・Ileus (yes/no) | 6/57 | 6/31 | 0.32 |
・SSI (yes/no) | 6/57 | 0/37 | 0.08 |
・Anastomotic leakage (yes/no) | 3/60 | 2/35 | 1.00 |
・High output syndrome (yes/no) | 1/62 | 3/34 | 0.14 |
Duration of urinary catheterization (days) | 4 (2–55) | 5 (2-459) | < 0.01 |
Postoperative length of stay (days) | 15 (7–73) | 16 (11–42) | 0.34 |