Table 3.
Simple Comparison of Study Outcomes
| Variable | No-Block (n=48) | ESPB (n=70) | p-value* |
|---|---|---|---|
| IV-PCA duration (mins) | 1430.00 [0.00, 9049.00] | 1456.00 [0.00, 80.42] | 0.704 |
| LOS (hrs) | |||
| PACU/ICU | 10.5 [3.00, 110.82] | 8.00 [2.00, 26.00] | 0.340 |
| Nursing Floor | 132.00 [40.00, 660.00] | 104.35 [22.00, 515.00] | 0.013 |
| Overall | 152.00 (57.00, 771.00) | 128.50 [32.00, 539.00] | 0.011 |
| NRS Pain Score (%) | |||
| PACU/ICU | 4.95 [0.00, 9.50] | 4.70 [0.70, 6.90] | 0.121 |
| Nursing Floor | 5.05 [2.20, 7.10] | 4.70 [0.00, 10.00] | 0.457 |
| OME Administration (mg) | |||
| Intraoperative | 8.11 [0.05, 84.25] | 1.73 [0.12, 44.50] | 0.011 |
| 0–24 hours postoperative | 50.57 [0.00, 244.00] | 55.14 [0.21, 131.73] | 0.386 |
| 24 hours – discharge | 235.88 [0.00, 1099.74] | 202.50 [0.00, 1052.99] | 0.398 |
| IV-PCA | 3.77 [0.00, 110.00] | 3.95 [0.00, 17.78] | 0.288 |
| Opioid related side effects (%) | |||
| CNS alteration | 3 (6.8) | 12 (17.4) | 0.155 |
| Constipation | 27 (56.3) | 46 (65.7) | 0.118 |
| Required antiemetic | 33 (70.2) | 41 (59.4) | 0.071 |
| Required naloxone | 0 | 6 (8.7) | 0.080 |
| Adverse event related to ESPB (%) | - | 0 | - |
Note: *Bold value indicates statistical significance.
Abbreviations: IV-PCA, Intravenous Patient Controlled Anesthesia; LOS, Length Of Stay; NRS, Numeric Rating Scale; PACU, Post Anesthesia Care Unit; ICU, Intensive Care Unit; CNS, Central Nervous System.