Table 3.
Pooled analyses of robotic versus laparoscopic left colectomies performed for malignancy
| Variable | No. of patients | Robotic | Laparoscopic | P | I2 (95% CI) | References |
|---|---|---|---|---|---|---|
| Age (years) | 711 | 60.1 (58.7–61.3) | 59.3 (57.4–61.2) | 0.872 | 0.0 (0.0–81.3) | 11, 13, 15 |
| Sex –m- | 711 | 60.9 (54.9–66.7) | 64.1 (59.6–68.4) | 0.316 | 11.8 (0.0–97.0) | 11, 13, 15 |
| BMI | 711 | 24.8 (24.6–25.2) | 24.2 (23.5–24.9) | 0.203 | 49.4 (0.0–85.3) | 11, 13, 15 |
| ASA > 2 | 711 | 10.7 (7.3–15.1) | 7.4 (5.2–11.0) | 0.324 | 0.0 (0.0–91.6) | 11, 13, 15 |
| Stage III.IV tumors | 711 | 30.4 (24.6–36.5) | 36.3 (32.0–40.8) | 0.156 | 32.7 (0.0–97.6) | 11, 13, 15 |
| Operative time (min) | 711 | 186 (150–222) | 153 (103–203) | 0.002 | 84.2 (52.6–94.7) | 11, 13, 15 |
| Conversion to open surgery | 711 | 0.2 (0.0–1.2) | 0.3 (0.0–1.1) | n.a | 11, 13, 15 | |
| Complications | 711 | 18.0 (6.7–33.2) | 14.4 (7.4–25.4) | 0.477 | 0.0 (0.0–95.1) | 11, 13, 15 |
| Complications Clavien-Dindo ≥ 3 | 711 | 5.5 (3.0–8.9) | 3.6 (0.9–8.1) | 0.997 | 0.0 (0.0–86.2) | 11, 13, 15 |
| Anastomotic leak | 711 | 2.5 (1.0–5.3) | 2.1 (0.8–4.1) | 0.873 | 0.0 (0.0–0.0) | 13, 15 |
| Time to first flatus | 711 | 2.6 (1.5–3.8) | 2.7 (1.8–3.7) | 0.255 | 26.9 (0.0–97.5) | 11, 13, 15 |
| Lymph nodes harvested | 711 | 15.7 (11.7–19.5) | 17.5 (13.3–21.7) | 0.304 | 50.4 (0.0–85.7) | 11, 13, 15 |
| Margin (cm) | 251 | 7.0 (3.5–10.5) | 8.1 (1.7–14.6) | 0.870 | 67.8 (0.0–92.7) | 11, 15 |
| Mortality | 711 | 0.9 (0.1–5.0) | 0.2 (0.0–1.4) | n.a | 11, 13, 15 | |
| Hospital stay (days) | 711 | 6.9 (4.4–9.4) | 7.1 (5.1–9.1) | 0.407 | 69.2 (0.0–91.0) | 11, 13, 15 |
I2 < 25% were interpreted as low heterogeneity, 25 ≤ I2 ≤ 50% as medium, between 50 < I2 ≤ 75% as substantial, I.2 > 75% as considerable. n.a. not available as not enough events