| Study (Prospective Randomized Control Trial) | Operation | nTAP/ nControl | TAP Block | Anesthetic | Post-Op Analgesia | Effect on Acute Pain Score | Effect on CPOP |
| Topal et al. [33] | Hernioplasty | 40/40/40 | Bilateral USG Bupivacaine 20 ml of 0.25% | General Anesthesia and Spinal (12.5 mg Bupivicane and 0.15 mg Morphine) | Tramadol | Reduced | Reduced |
| Aveline C et al. [34] | Open Inguinal Hernia Repair | 134/139 | Bilateral USG Levobupivacaine 1.5 mg/kg of 0.15% | General Anesthesia and/or INH Block | Morphine, Paracetamol, Ketoprofen | Reduced | No Difference |
| Arora S et al. [35] | Laparoscopic Inguinal Hernia Repair | 35/36 | Bilateral USG Ropivacaine 15 - 20 ml of 0.5% | General Anesthesia | Fentanyl PCA, Paracetamol | Reduced | No Difference |
| Amr YM et al. [36] | Hysterectomy | 23/23/22 | Bilateral Landmark Bupivacaine 20 ml of 0.375% | General Anesthesia | Morphine | Reduced | Reduced |
| McKeen DM et al. [37] | Cesarean Delivery | 41/42 | Bilateral USG Ropivacaine 20 ml of 0.25% | General Anesthesia | Naprozyn, Acetaminophen, Oxycodone | No Difference | No Difference |
| Chandon M et al. [38] | Cesarean Delivery | 36/29 | Bilateral USG Lepobupivacaine 20 ml of 0.375% | Spinal Anesthesia (Bupivacine + Sufentanil) | Paracetamol, Ketoprofen, Nefopam, Morphine | n/a | n/a |