Comparing the Effectiveness of S-Ketamine Combined with Sufentanil versus Sufentanil Alone for Postoperative Pain Management in Elderly Patients Undergoing Laparoscopic Radical Resection of Gastrointestinal Cancer: A Randomized Controlled Trial
Table 1
Patient characteristics.
F group (n = 32)
LSF group (n = 32)
SF group (n = 31)
Age (yr)
62.0 [60.0, 72.5]
60.0 [60.0, 74.5]
67.0 [61.0, 73.0]
Male, n (%)
18 (56.2)
15 (46.9)
15 (48.4)
Weight (kg)
59.0 10.6
56.6 12.5
61.7 11.5
Height (cm)
160.0 [152.5, 163.5]
160.0 [152.0, 162.0]
160.0 [153.0, 167.5]
ASA physical status, n (%)
II
26 (81.3)
28 (87.5)
27 (87.1)
III
6 (18.7)
4 (12.5)
4 (12.9)
Operative site, n (%)
Stomach
6 (18.8)
9 (28.1)
9 (29.0)
Colon
13 (40.6)
9 (28.1)
8 (25.8)
Rectum
13 (40.6)
14 (43.8)
14 (45.2)
Duration of surgery (min)
168.9 20.1
159.3 23.1
162.3 21.0
Fluid volume during anesthesia (L)
2.5 0.7
2.5 0.6
2.3 0.7
Sufentanil consumption (ug)
35.0 10.5
36.5 6.9
32.8 9.9
Remifentanil consumption (ug)
815.6 127.1
859.9 145.8
871.6 100.5
Preoperative mechanical pain threshold (g)
Medial forearm
85 13
88 11
86 12
Periumbilical area
89 11
82 15
84 14
Data are presented as mean ± SD, median (25th–75th interquartile range), or number of patients (%).
