Pain Research and Treatment / 2016 / Article / Fig 3

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 ().

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