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Table 2 Outcomes measures at baseline, follow-up (4 months) and change from baseline (n = 12)

From: Platelet-rich plasma (PRP) therapy for knee arthritis: a feasibility study in primary care

Outcome

Baseline

Mean (SD) and range

Follow-up

Mean (SD) and range

Mean change from baseline (95% CI)

*Total pain score

45.3 (17.38)

25.0–77.3

16.3 (17.28)

0–63.6

− 29.0 (− 39.1, − 18.9)

*Constant pain subscore

35.0 (27.96)

0–75.0

6.3 (16.39)

0–55.0

− 28.8 (−43.7, − 13.8)

*Intermittent pain subscore

53.8 (10.87)

41.7–79.2

24.7 (21.06)

0–70.8

− 29.2 (−41.5, − 16.8)

#EQ-5D-3L

0.45 (0.19)

0.08–0.62

0.77 (0.25)

0.08–1.00

+ 0.32 (0.18, 0.46)

#EQ-VAS

63.4 (9.10)

50–80

74.3 (17.72)

40–100

+ 10.8 (2.5, 19.2)

  1. *A reduction in pain scores indicates improvement
  2. #An increase in quality of life score indicates improvement