ACB+IPACK | ACB+sham | P value | |
Pain intensity | |||
Least pain | 2 (0–3) | 3 (1–5) | 0.15 |
Worst pain | 8 (6–10) | 9 (8–10) | 0.04 |
Average pain | 5 (3–7) | 6 (4–8) | <0.01 |
% of time in severe pain | 10 (0–30) | 20 (10–40) | 0.15 |
% of pain relief in 24 hours | 80 (70–90) | 80 (70–90) | 0.90 |
Pain interference with activities | |||
In bed | 4 (0–8) | 7 (0–10) | 0.10 |
Out of bed | 5 (0–8) | 7 (3–10) | 0.03 |
Pain interference with sleep | |||
Falling asleep | 0 (0–8) | 0 (0–7) | 0.60 |
Staying asleep | 0 (0–4) | 0 (0–7) | 0.60 |
Patient perception of their pain management | |||
Participation in pain management? | 10 (10–10) | 10 (10–10) | 0.40 |
Satisfaction with pain management? | 10 (8–10) | 9 (8–10) | 0.16 |
Data are presented as median (IQR).
ACB, adductor canal block; APS-POQ-R, Revised American Pain Society Patient Outcome Questionnaire; IPACK, interspace between the popliteal artery and the capsule of the posterior knee; TKA, total knee arthroplasty.