09 September 2025 : Original article
Postoperative Analgesic Effects of Anterior Quadratus Lumborum Block vs Intravenous Analgesics Administered to Donors and Recipients in Renal Transplantation Surgery: A Prospective Cohort Study
Fatma AcilDOI: 10.12659/AOT.949037
Ann Transplant 2025; 30:e949037
Table 1 Standard table of power analysis [10].
| We performed the power analysis: | Before starting |
| On the primary outcome: | Numeric rating scale []8 |
| Based on the two-tailed statistical test: | One-tailed |
| And accepting the cutoff for significance (α): | 0.05 |
| And a power (1−β) of: | 0.80 |
| Allocation ratio N2/N1: | 1 |
| The variability of the primary outcome was: | In the study by Shehata et al., NRS scores were taken into account group (group QLB mean 3.1±0.45, group control mean 3.6±0.75) []11 |
| We considered as clinically relevant a difference (or a different effect, please specify) of: | 1 |
| Consequently, the effect size was: | 0.80 |
| The total sample size needed was: | 42 |






