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Table 3 Basal characteristics according to the journal article and unpublished final report

From: Restoring Study PRGF: a randomized clinical trial on plasma rich in growth factors for knee osteoarthritis

 

PRGF

HA

p value

No. of participants

89

87

 

Age (y), mean (SD)

60.5 (7.9)

59.0 (8.2)

0.198

Sex (% female patients), n (%)

46 (52)

45 (52)

0.996

Body mass index (kg/m2), mean (SD)

27.9 (2.9)

28.2 (2.7)

0.590

Dose of acetaminophen (mg/d), median (range) a

2.6 (7.1)

1.7 (5.6)

0.631

Normalized WOMAC score Pain subscale, mean (SD)

40.4 (16.3)

38.4 (15.6)

0.417

Normalized WOMAC score Stiffness subscale, mean (SD)

41.8 (17.3)

38.5 (18.3)

0.233

Normalized WOMAC score Physical function subscale, mean (SD)

39.6 (16.3)

38.8 (17.4)

0.755

Normalized WOMAC score Global, mean (SD)

121.8 (44.4)

115.7 (45.1)

0.378

Lequesne index, mean (SD)

9.5 (3.0)

9.1 (3.2)

0.408

Lequesne index—pain, mean (SD)

4.5 (1.5)

4.1 (1.6)

0.083

Visual Analogue Scale—pain, mean (SD)

5.5 (1.5)

5.7 (1.5)

0.281

Degree of joint mobility, mean (SD)

126.5 (10.2)

125.3 (17.0)

0.576

Primary arthritis, n (%)

73 (82)

68 (78)

0.521

Ahlbäck grade I, n (%) b

45 (51)

42 (48)

0.973

Ahlbäck grade II, n (%) c

32 (36)

32 (37)

 

Ahlbäck grade III, n (%)

12 (13)

11 (13)

 

Marital status—single, n (%)

7 (8)

4 (5)

0.676

Marital status—married, n (%) d

69 (78)

66 (76)

 

Marital status—widow/widower, n (%)

6 (7)

9 (10)

 

Marital status—divorced, n (%)

7 (8)

8 (9)

 

Education level—Group 1, n (%)

5 (6)

1 (1)

0.242

Education level—Group 2, n (%)

42 (47)

44 (51)

 

Education level—Group 3, n (%)

27 (30)

25 (29)

 

Education level—Group 4, n (%)

12 (13)

9 (10)

 

Education level—Group 5, n (%)

3 (3)

8 (9)

 
  1. HA hyaluronic acid, PRGF plasma rich in growth factors, SD standard deviation, y years, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index. All data from the unpublished final report except dose of acetaminophen and normalized WOMAC score stiffness and physical function subscales. Figures rounded to one decimal place. p values provided by the study authors in the journal article and unpublished final report
  2. aAccording to the published article (footnote in Table 2), dose of acetaminophen does not fit with the units (mg/d) and the figures shown in that table
  3. bHA (%) presented in the final report has been corrected, 48 instead of 49
  4. cHA (%) presented in the final report has been corrected, 37 instead of 38
  5. dPRGF (%) presented in the final report has been corrected, 78 instead of 77