Table. 1.

Patient and Clinical Characteristics

Characteristic Group C (n = 24) Group R (n = 22) P value
ASA classification (I/II) 17/7 (70.8/29.2) 12/10 (54.5/45.5) 0.087
Apfel score 0.288
1 2 (8.3) 0
2 13 (54.2) 16 (72.7)
3 8 (33.3) 4 (18.2)
4 1 (4.2) 2 (9.1)
Age (yr) 49.8 ± 8.5 54.7 ± 10.7 0.368
Height (cm) 151.6 ± 23.5 154.7 ± 17.4 0.794
Weight (kg) 59.8 ± 20.1 62.7 ± 22.9 0.241
BMI (kg/m2) 23.0 ± 3.7 23.6 ± 3.1 0.221
Duration of anesthesia (min) 160.0 ± 30.0 180.0 ± 33.8 0.780
Duration of surgery (min) 135.0 ± 41.3 150.0 ± 34.5 0.697
Remifentanil consumption (μg) 663.5 ± 300.5 618.5 ± 218.0 0.025*
Propofol consumption (mg) 1,076.4 ± 286.1 1,032.1 ± 205.0 0.151
Operation 0.271
MRM 7 (29.2) 8 (36.4)
Quadrantectomy 17 (70.8) 14 (63.6)

Data are presented as number (%) or mean ± standard deviation

There were no differences in ASA classification, Apfel score, age, height, weight, BMI, duration of surgery, propofol consumption, and operation type between the groups

Group C: retrolaminar injection with saline, Group R: retrolaminar block with local anesthetics, ASA: American Society of Anesthesiologists, BMI: body mass index, MRM: modified radical mastectomy

*P < 0.05

Korean J Pain 2020;33:378~385 https://doi.org/10.3344/kjp.2020.33.4.378
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