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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