Table 2.

Postoperative Pain [mean NRS (SE); 95%CI]

Allocation	Discharge	24 h	48 h	12 weeks
5 mL	2.67 (0.93); 0.61-4.71*	3.67 (0.74); 2.03-5.30	2.67 (0.72); 1.08-4.25	1.5 (0.45); 0.50-2.50
10 mL	1.58 (0.80); -0.18-3.35	3.33 (0.80); 1.57-5.10	2.08 (0.65); 0.66-3.50	2.42 (0.85); 0.55-4.28
20 mL	0.62 (0.40); -0.26-1.49*	2.54 (0.67); 1.09-3.99	2.15 (0.56); 0.92-3.38	1.15 (0.34); 0.42-1.89

NRS: numeric rating scale; SE: Standard Error; 95%CI: 95% Confidence Interval * p = 0.04 for 5 mL compared to 20 mL only; for all other comparisons p > 0.05