Skip to main content
. 2021 Apr 9;18(8):3945. doi: 10.3390/ijerph18083945

Table 3.

Postoperative presentations of patients who underwent knee arthroscopic surgery under bispectral index-guided sevoflurane anesthesia without adductor canal block (Group A), with preoperative ACB (Group B), and with postoperative ACB (Group C).

Group A
(n = 128)
Group B
(n = 69)
Group C
(n = 18)
p Value
VAS at PACU 3.0 (2.0–4.0) 1.0 (1.0–2.0) 1.0 (1.0–2.0) <0.001
VAS at ward
Rest 1.00 (1.00–2.00) 1.00 (0.00–1.00) 1.0 (0.00–1.00) 0.932
Dynamic 3.00 (2.00–4.00) 2.00 (1.00–2.00) 1.50 (1.00–2.00) <0.001
Number of patients required analgesics at ward
Parecoxib (intravenous) 45 (35.1%) 9 (13.0%) 3 (16.7%) 0.001
NSAID (oral) 64 (50%) 27 (39.1%) 10 (55.6%) 0.258
Opioid consumption at ward
MME 0.00 (0.00–0.38) 0.00 (0.00–0.13) 0.00 (0.00–0.09) 0.137
Number of patients with postoperative side effects
Headache 1 (0.8%) 1 (1.4%) 0 (0.0%) 0.763
Nausea 5 (3.9%) 2 (2.9%) 1 (5.6%) 0.861
Vomiting 10 (7.8%) 4 (5.8%) 1 (5.6%) 0.840
Dizziness 9 (7.0%) 5 (5.6%) 1 (5.6%) 0.966
Length of stay after surgery (day) 3.00 (2.00–4.38) 3.00 (2.00–4.00) 3.50 (2.50–4.38) 0.505
Patient satisfaction (1–5) 5.00 (4.00–5.00) 5.00 (4.00–5.00) 5.00 (4.00–5.00) 0.955

All values are shown as median (interquartile range) or number and percent. ACB: adductor canal block, PACU: post anesthesia room, MME: milligram morphine equivalents, VAS: Visual analogue scale.