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Table 1 Patient and surgical characteristics

From: Comparison of plasma levobupivacaine concentrations with and without epinephrine following erector spinae plane block for breast cancer surgery: a randomized controlled trial

  Group L Group LE
Sample size, n 14 15
Patient characteristics
 Mean age (SD; years) 52.5 (8.0) 55.4 (9.8)
 Mean weight (SD; kg) 56.2 (6.9) 55.3 (4.5)
 Mean BMI (SD; kg/m2) 22.9 (3.0) 22.1 (2.2)
ASA classification, n (%)
 I 9 (64.3) 8 (53.3)
 II 5 (35.7) 7 (46.7)
ALND, n (%)
 +  2 (14.3) 0 (0.0)
 – 12 (85.7) 15 (100.0)
Surgical characteristics
 Mean surgical time (SD; min) 107.4 (20.5) 98.1 (22.0)
 Mean anesthesia time (SD; min) 153.6 (22.5) 145.7 (22.1)
 Mean levobupivacaine dose (SD; mg) 112.0 (14.2) 110.7 (10.1)
  1. SD standard deviation, BMI body mass index, ASA American Society of Anesthesiologists, ALND axillary lymph node dissection