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. 2021 May 19;14:1315–1321. doi: 10.2147/JPR.S293856

Table 3.

Postoperative NRS Scores and DN-4 Capital Symptom Number of Patients Applied for Total Knee Arthroplasty

Mild Pain Group (n=27) Moderate Pain Group (n=15) Total p
NRS 2 (2–3) 4 (4–6) 3 (2–4) <0.001*
DN-4 3 (3–5) 5 (3–6) 4 (3–6) 0.039

Notes: Mann–Whitney U-test. *p<0.05.

Abbreviations: NRS, numerical rating scale; DN-4, Douleur Neuropathique 4 Questions.