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Numeric Rating Scale (NRS) scores at rest and at activity. Median NRS pain scores 0–10/10 with inter-quartile range (IQR). Both figure parts show the median (IQR) NRS scores at the intervals between 0–6, 6–12, 12–18, 18–24 h. (A) median (IQR) NRS score at rest, defined as lying in bed; (B) median (IQR) NRS score with activity.
