Table 2 Intraoperative hemodynamic parameters and end-tidal CO2
Parameters | Mean (CI 95%) | p | Mean Difference CI 95% | p | |
|---|---|---|---|---|---|
12 mmHg | 8 mmHg | ||||
1. Cardiac index (L/minute/m2) | |||||
 a. baseline | 2.84 (2.49–3.23) | 2.76 (2.48–3.07) | 0.7 | 1.028 (0.872–1.211) |  |
 b. at 2 h of pneumoperitoneum | 3.20 (2.78–3.70) | 3.35 (2.98–3.77) | 0.6 | 0.957 (0.800–1.146) | 0.6 |
 c. 2 h after desufflation | 3.24 (2.85–3.69) | 3.39 (3.08–3.73) | 0.6 | 0.957 (0.818–1.119) |  |
2. Stroke volume index (mL/m2) | |||||
 a. baseline | 36.84 (32.77–41.67) | 34.70 (31.05–38.47) | 0.5 | 0.690 (0.240–1.980) |  |
 b. at 2 h of pneumoperitoneum | 33.70 (28.98–38.550 | 37.20 (32.34–42.06) | 0.1 | 0.33 (0.10–1.03) | 0.5 |
 c. 2 h after desufflation | 32.12 (28.57–35.77) | 37.64 (32.6–42.77) | 0.1 | 0.35 (0.11–1.10) |  |
3. End-tidal CO2 (mmHg) | |||||
 a. baseline | 35.59 (33.89–37.29) | 34.86 (33.47–36.25) | 0.5 | 0.727 (−1.41–2.86) |  |
 b. at 2 h of pneumoperitoneum | 37.77 (36.36–39.18) | 38.00 (36.79–39.21) | 0.8 | − 0.23 (− 2.03–1.57) | 0.3 |
 c. 2 h after desufflation | 37,14 (35.46–38.81) | 38.32 (37.06–39.58) | 0.3 | − 1.182 (− 3.22–0.85) |  |
4. Mean arterial pressure (mmHg) | |||||
 a. baseline | 77.92 (72.75–83.10) | 78.30 (72.85–83.76) | 0.9 | −0.38 (−7.68–6.92) |  |
 b. at 2 h of pneumoperitoneum | 80.05 (75.72–84.37) | 82.31 (77.59–87.15) | 0.5 | −2.26 (− 8.47–3.95) | 0.5 |
 c. 2 h after desufflation | 85.77 (80.48–91.07) | 83.06 (78.79–87.31) | 0.4 | 2.73 (−3.87–9.32) |  |
5. Heart rate (beats/minute) | |||||
 a. baseline | 76.82 (72.34–81.56) | 65.69 (61.56–70.10) | 0.1 | 1.17 (0.07–1.27) |  |
 b. at 2 h of pneumoperitoneum | 86.98 (82.62–91.56) | 74.10 (69.41–79.10) | <  0.001 | 1.18 (1.08–1.27) | 0.033 |
 c. 2 h after desufflation | 95.39 (89.62–101.53) | 77.66 (72.23–83.52) | <  0.001 | 1.23 (1.12–1.35) |  |