The effect size was assessed with Cohen’s d index No prior sampl

The effect size was assessed with Cohen’s d index. No prior sample size determination was made due to the observational character of the present study. However, a post hoc power calculation Volasertib aml for unequal variances was performed. Statistical power for the assessment of the main outcome factor was calculated to be approximately 81% to detect a 10% difference between groups at alpha of 0.05. Analyses were performed with SPSS for Windows 15.0.0 (SPSS, Chicago, IL, USA) and we considered a two-tailed P less than 0.05 as statistically significant. RESULTS As the number of males and females differed in each group, possible differentiation of VAS results and the extent of physical activity dependent on gender were primarily analyzed. We found that gender did not affect the range of motion or the VAS results.

The ratio of PS to CR implants did not differ significantly between the study groups. Preliminary assessment of the impact of the prostheses type (PS, CR) on the VAS value showed that VAS1 was lower among patients who received CR prosthesis (mean 4.0 [SD 1.3] vs. 5.4 [2.0] for PS prosthesis, P=0.007). For VAS2-VAS10, the pain perception did not depend on the type of prosthesis. Evaluation of pain The lowest pain intensity on the first postoperative day was observed in group 4, and the highest in group 3 (P=0.012), with a large effect size equalling 0.68. The differences in pain intensity from day 2 after the surgery were not statistically significant (Figure 1). A comparison of patients from group 1 and 2 revealed that in the range VAS2-VAS10, the effect of periarticular soft tissue anesthesia was lower than average.

The effect size was moderate, ranging 0.31-0.43. Figure 1 Mean pain intensity measured with visual analog scale (VAS) 1, 2, 3, 7 and 10 days after surgery in patients undergoing spinal anaesthesia alone (group 1, n=27) or combined with local anaesthesia of periarticular soft tissue (group 2, n=20), periarticular … The requirement of analgesia An assessment of the demand for pain medication by the WHO analgesic ladder showed that that 80% of patients in group 1 and 3, and 60% in group 2 and 4 did not require strong analgesics. However, this difference was not statistically significant. Medicines from the first and second level of the analgesic ladder were given to patients in group 3 for the longest time.

The time of WHO analgesic ladder drugs need was similar in all groups (P=0.591). No statistically significant difference was found in the average amount of medication used from subsequent analgesic ladder levels in each group of anesthesia. The average quantities of all drugs used in groups 1-4 were similar. Mobility in the operated joint The greatest range of motion on the day of discharge was observed in Batimastat patients from group 4. These subjects had a significantly larger flexion range at discharge than patients from group 1 and group 2 (Table 1).

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