TABLE 2.

Perioperative data.

Variable (n = 120)	Values
Volume of supplemental local anesthetic (mL)	8.2 (5–11.5 [3–13])
Number of patients requiring supplemental local anesthetic	78 (65%)
Volume of supplemental fentanyl (mcg)	65 (50–75)
Number of patients requiring intraoperative fentanyl	15 (12.5%)
Volume of tramadol (mL)	5 (3–8)
Number of patients requiring tramadol postoperatively	9 (7.5%)
Block performance time (min)	7.8 (6–8.5 [5–10])
Duration of surgery (min)	38 (32–42 [27–55])
Hospital stay (days)	1.5 (1–2 [1–3])
Postoperative VAS scores
Postoperative 1 h	1.5 (0–3 [0–7])
Postoperative 6 h	1 (0–1.5 [0–4])
Postoperative 12 h	0.5 (0–1 [0–3])
Postoperative 24 h	0 (0–0 [0–0])