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Table 3 Demographic, anthropometric and pre-intervention knee instability-related characteristics of study participants

From: The effect of Total resistance exercise vs. aquatic training on self-reported knee instability, pain, and stiffness in women with knee osteoarthritis: a randomized controlled trial

Variables

TRX (n = 12)

M (SD)

Aquatic exercises (n = 12)

M (SD)

Control (n = 12)

M (SD)

P-valuea

Age (year)

55.9 (8.6)

57.5 (6.9)

63.8 (7.5)

0.08

Weight (kg)

80.9 (3.4)

78.2 (10.9)

73.6 (8.9)

0.3

Height (cm)

161.9 (5.7)

165.6 (6.8)

162.5 (4.7)

0.058

BMI (kg/m2)

29.8 (7.2)

28.5 (3.7)

23.1 (11.6)

0.07

VAS(cm)

6.8 (2.4)

7.2 (2.2)

8.3 (2.2)

0.3

Kellgren & Lawrence (grade 1–4)

2.7 (0.8)

3.0 (0.6)

2.7 (0.6)

0.6

Knee Instability Score (0–5)

2.1 (1.6)

1.6 (1.4)

2.9 (1.4)

0.1

Stiffness Score (0–8)

4.4 (2.3)

4.9 (2.1)

4.7 (1.2)

0.8

VAS(cm)

7.6 (2.4)

7.7 (2.1)

7.5 (2.0)

0.8

BBS Scores (0–56)

37.6 (8.9)

41.3 (8.3)

37.9 (8.3)

0.4

Quadriceps strength (Kg)

13.4 (1.6)

14.9 (1.6)

12.7 (1.7)

0.6

Knee flexion (°)

104.7 (6.5)

110.4 (6.4)

115.7 (6.9)

0.5

  1. a No significant differences among groups for pretests. BMI Body Mass Index, SD Standard Deviation, BBS Berg Balance Scale, VAS Visual Analog Scale, WOMAC Western Ontario and McMaster Universities Osteoarthritis