Table 4: Changes in MBP at different time interval in Group I and Group II.
| Group | Group 1 | Group 2 | ||||
| Time interval | N | Mean ± SD | N | Mean ± SD | p-value | Statistical Significance |
| Preoperative | 50 | 93.7 ± 6.5 | 50 | 91.7 ± 7.4 | 0.12 | NS |
| Postintubation | 50 | 102.02 ± 7.5 | 50 | 99.55 ± 8.0 | 0.07 | NS |
| Post pneumoperitoneum M5 | 50 | 87.5 ± 8.5 | 50 | 100.6 ± 10.4 | 0.00 | S |
| M10 | 50 | 89.5 ± 8.0 | 50 | 101.1 ± 11.2 | 0.00 | S |
| M15 | 50 | 86.8 ± 8.7 | 50 | 100.4 ± 10.5 | 0.00 | S |
| M20 | 50 | 84.0 ± 7.3 | 50 | 100.5 ± 9.6 | 0.00 | S |
| M25 | 50 | 88.5 ± 7.4 | 50 | 97.5 ± 8.1 | 0.00 | S |
| M35 | 50 | 85.7 ± 6.7 | 50 | 98.7 ± 12.0 | 0.00 | S |
| M40 | 50 | 87.5 ± 5.5 | 50 | 94.5 ± 9.5 | 0.00 | S |
| M45 | 50 | 88.0 ± 9.1 | 50 | 97.6 ± 11.7 | 0.00 | S |
| M50 | 50 | 86.0 ± 9.3 | 50 | 94.7 ± 7.1 | 0.00 | S |
| M55 | 50 | 87.7 ± 7.3 | 50 | 95.2 ± 9.5 | 0.00 | S |
| M60 | 50 | 85.8 ± 7.2 | 50 | 96.4 ± 12.6 | 0.00 | S |
| M65 | 50 | 84.2 ± 8.56 | 50 | 95.7 ± 9.5 | 0.00 | S |
| Post deflation | 50 | 90.67 ± 7.67 | 50 | 102.56 ± 11.6 | 0.00 | S |
| Post extubation | 50 | 88.6 ± 8.54 | 50 | 101.54 ± 10.55 | 0.00 | S |