Research Article
Factors Related to Postoperative Pain Trajectories following Total Knee Arthroplasty: A Longitudinal Study of Patients Admitted to a Russian Orthopaedic Clinic
Figure 3
Hours in moderate/severe postoperative pain by duration of surgery. Longer knee replacement surgeries were associated with consistently more hours in moderate/severe postoperative pain (NRS ≥ 4) compared with shorter surgeries (). Similar difference was observed for ratings of pain with activity in relation to surgery duration ().