Table 2 The baseline demographics and clinical features of patients.

From: Efficacy and safety of focused low-intensity pulsed ultrasound versus pulsed shortwave diathermy on knee osteoarthritis: a randomized comparative trial

Variable

FLIPUS

(n = 57)

PSWD

(n = 57)

P value

Age, years

62.28 ± 10.88

59.93 ± 8.97

0.211

Women, no. (%)

42 (73.68%)

45 (78.95%)

0.660

BMI, kg/m2

25.18 ± 3.26

25.29 ± 2.85

0.854

Duration of disease, months

120.32 ± 74.88

118.54 ± 89.73

0.909

Kellgren–Lawrence grade, no. (%)

Grade I

4 (7.01%)

6 (10.53%)

0.205

Grade II

40 (70.18%)

45 (78.94%)

Grade III

13 (22.81%)

6 (10.53%)

Primary outcome

WOMAC

   

Total

34.49 ± 10.26

33.70 ± 7.91

0.646

Pain

6.40 ± 2.15

7.44 ± 2.61

0.551

Stiffness

2.35 ± 1.13

2.56 ± 1.02

0.558

Physical function

23.89 ± 8.37

25.54 ± 6.58

0.688

Secondary outcomes

NRS score

5.51 ± 1.28

5.81 ± 1.06

0.825

GRC score

− 2 (2)

− 1 (3)

0.066

ROM, degree

127.39 ± 5.92

126.23 ± 6.57

0.895

TUG test score

12.91 ± 2.45

12.60 ± 2.33

0.296

  1. FLIPUS focused low-intensity pulsed ultrasound, PSWD pulsed shortwave diathermy, BMI body mass index, WOMAC Western Ontario and McMaster Universities Osteoarthritis Index, NRS Numerical Rating Scales, GRC Global Rating of Change scale, IQR interquartile range, ROM range of motion; TUG Timed Up and Go test. Measurement data are represented as the mean ± SD (normally distributed data) or median (IQR) (nonnormally distributed data). Enumeration data are represented as frequencies (proportions).
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