Factors Related to Postoperative Pain Trajectories following Total Knee Arthroplasty: A Longitudinal Study of Patients Admitted to a Russian Orthopaedic Clinic

Table 2

Pain ratings on Days 0–3 after knee replacement surgery.

	Mean pain rating (SD)
	Day 0	Day 1	Day 2	Day 3
Average pain	6.35 (2.35)	5.49 (2.11)	5.46 (2.20)	4.26 (1.86)
Least pain	5.37 (2.44)	4.93 (2.24)	4.71 (2.36)	4.01 (2.24)
Worst pain	6.69 (2.46)	5.94 (2.40)	5.61 (2.29)	4.60 (1.98)
Pain at rest	5.64 (2.20)	4.84 (2.20)	4.83 (2.09)	4.02 (2.14)
Pain with activity	6.49 (2.41)	5.70 (2.41)	5.40 (2.35)	4.50 (2.16)
Hours > NRS4	8.99 (6.69)	7.46 (5.22)	7.02 (4.75)	6.31 (4.54)

Effects of change over time, all .