Table 2 Demographic and baseline characteristics of the intention-to-treat population.

From: Comparing efficacy of intraarticular single crosslinked Hyaluronan (HYAJOINT Plus) and platelet-rich plasma (PRP) versus PRP alone for treating knee osteoarthritis

Characteristic

One injection (n = 39)

Combined injections (n = 39)

P value

Age, years

58.4 ± 8.1

60.6 ± 8.4

0.242t

Gender, female (%)

22 (56.4%)

18 (46.2%)

0.365a

Weight, kg

65.4 ± 13.3

65.6 ± 14.3

0.932t

Height, cm

161.7 ± 6.5

161.6 ± 7.3

0.948t

Body mass index, kg/m2

24.8 ± 4.1

25.0 ± 4.6

0.873t

Employment status (light worker/heavy labor)

37 (94.9%)/2 (5.1%)

35 (89.7%)/4 (10.3%)

0.337f

Knee injection side (left/right)

19 (48.7%)/20 (51.3%)

20 (51.3%)/19 (48.7%)

0.821a

Disease duration, years

4.4 ± 2.3

5.5 ± 3.4

0.089t

  1. The values are given as mean ± the standard deviation or number of patients, with the percentage in parentheses.
  2. aχ2-test.
  3. fFisher's exact test.
  4. tIndependent t-test.
  5. *P < 0.05.
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