Skip to main content

Table 2 Baseline demographics and clinical comparisons

From: Bone marrow aspirate concentrate versus platelet-rich plasma for treating knee osteoarthritis: a one-year non-randomized retrospective comparative study

Patient characteristics

BMAC (n = 26)a

PRP (n = 13)a

P value

Age, mean (SD)

58.46 (17.75)

53 (16.67)

.354b

Female, n (%)

12 (46.15)

6 (46.15)

1.00c

Left knee injections, n (%)

11 (42.3)

6 (46.2)

.82c

Degree of OA, n (%)

1, 8 (30.8%)

1, 2 (15.4%)

.35c

2, 8 (30.8%)

2, 8 (61.5%)

3, 8 (30.8%)

3, 3 (23.1%)

4, 2 (4%)

4, 0 (0%)

Number of treatments, median (IQR)

3 (1–3)

1 (1–3)

.424d

Total volume injected (ml), median (IQR)

24 (15–43.75)

8 (6–17.5)

.088d

Baseline knee-related clinical scores

 VAS, median (IQR)

Baseline

6 (5–8)

4 (3–7)

.142e

 KOOS, median (IQR)

44.5 (32.5–70)

67 (51.5–68.5)

.076e

 WOMAC, median (IQR)

42.5 (37–74)

70 (50–73)

.023e

  1. aKnees treated and analyzed
  2. bIndependent-samples t-test
  3. cChi-Square test (2-sided)
  4. dIndependent-samples median test
  5. eIndependent-samples Mann-Whitney U test