Analgesic Effect of Ultrasound-Guided Anterior Quadratus Lumborum Block at the L2 Level in Patients Undergoing Laparoscopic Partial Nephrectomy: A Single-Center, Randomized Controlled Trial
Table 1
Patient’s characteristics, primary outcome, and secondary outcomes.
Group C
Group Q
value
Patient characteristics
Age, years
53.76 ± 11.37
54.23 ± 12.90
0.88
BMI, kg/m2
23.08 ± 2.73
23.45 ± 2.57
0.59
Time of surgery, min
174.24 ± 51.21
179.20 ± 55.42
0.72
Time of anesthesia, min
203.17 ± 49.51
204 ± 54.44
0.96
Sex, female/male
14/15
11/19
0.37
ASA classification, I/II
22/7
20/10
0.44
Approach of surgery, transperitoneal/retroperitoneal
22/7
19/11
0.30
Primary outcome
The total consumption of sufentanil, μg
155.41 ± 19.58
119.37 ± 12.41
<0.001
Secondary outcomes
The dosage of intraoperative propofol, mg
768.62 ± 216.91
802.67 ± 240.87
0.57
The dosage of intraoperative remifentanil, μg
1797.24 ± 523.29
1860.33 ± 530.64
0.65
The dosage of intraoperative sufentanil, μg
50.17 ± 9.31
37.17 ± 7.15
<0.001
The dosage of sufentanil 0–6 h after surgery, μg
20 (12, 34)
4 (0, 9)
<0.001
The dosage of sufentanil 6–12 h after surgery, μg
16 (12, 20)
8 (4, 12)
<0.001
The dosage of sufentanil 12–24 h after surgery, μg
36 (26, 36)
26 (24, 28)
<0.001
The dosage of sufentanil 24–48 h after surgery, μg
28 (26, 32)
28 (28, 32)
0.89
Postoperative nausea
7 (24.1%)
4 (13.3%)
0.29
Postoperative vomiting
2 (6.90%)
1 (3.33%)
0.61
Rescue analgesia
25 (86.21%)
16 (53.33%)
0.006
Postoperative recovery quality, score
166.45 ± 8.35
166.53 ± 8.23
0.93
Anesthesia satisfaction, score
42.17 ± 3.95
41.90 ± 4.30
0.80
Time from postoperative to discharge, d
8.24 ± 2.42
8.50 ± 2.73
0.70
Data are either mean (SD), median (IQR), or number of patients (%). BMI, body mass index; ASA, American Society of Anesthesiologists.
