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Table 1 Demographic and clinical characteristics of subjects in the two groups

From: The influence of local pain on balance control in patients with chronic ankle instability

Demographic and clinical parameters

Group A

(n = 12)

Group B

(n = 14)

P value

Female/malea

5/7

8/6

0.431

Age (years)

27.33 (4.55)

27.86 (4.04)

0.686

Weight (kg)

72.10 (15.02)

70.32 (15.84)

0.716

Height (cm)

178.28 (8.67)

174.46 (7.80)

0.142

Body mass index (kg/m2)

22.44 (3.38)

22.99 (4.58)

0.669

Episodes of the history of sprains

3.00 (1.19)

5.50 (3.19)

0.001

Time since last sprain (months)

11.50 (5.99)

12.50 (7.61)

0.636

Maximum dorsiflexion angle (°)

20.50 (6.74)

18.38 (11.41)

0.456

Maximum plantarflexion angle (°)

55.00 (7.28)

48.75 (12.18)

0.045

CAIT scores

22.50 (1.86)

11.50 (6.60)

 < 0.001

NRS-11 scores

0 (0)

4.29 (1.88)

 < 0.001

  1. a Statistical difference was calculated by Pearson Chi-square test
  2. Group A: pain-free CAI; group B: pain-present CAI
  3. Parameters are presented as mean (SD) except sex
  4. Abbreviations: CAI Chronic ankle instability, CAIT Cumberland ankle instability tool, NRS-11 Numeric Rating Scale