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Table 2 Baseline characteristics of participants

From: Acupuncture for the sequelae of Bell’s palsy: a randomized controlled trial

 

Acupuncture group (n = 26)

Control group (n = 13)

P a

Sex:

   

Male (n)

14

4

0.31b

Female (n)

12

9

Affected side:

   

Left (n)

6

7

0.07b

Right (n)

20

6

Age (years, mean (SD))

50.85 (10.48)

50.54 (11.48)

0.93

Blood pressure (mmHg):

   

Systolic

133.31 (18.31)

124.8 (18.03)

0.18

Diastolic

77.46 (12.87)

79.08 (12.57)

0.71

Duration of facial palsy (months, mean (SD))

94.27 (78.70)

126.15 (119.73)

0.32

Facial Disability Index, social score (mean (SD))

52.77 (16.04)

52.30 (18.36)

0.94

Facial Disability Index, physical score (mean (SD))

46.35 (14.25)

51.15 (14.31)

0.33

Sunnybrook Facial Nerve Grading (mean (SD))

28.19 (21.45)

25.23 (15.30)

0.66

House–Brackmann grade:

   

Mild to moderate dysfunction (2–3)

17

7

0.51b

Moderately severe to severe dysfunction (4–5)

9

6

Lip mobility:

   

Lip length index (mean (SD))

22.56 (8.62)

17.23 (6.76)

0.06

Snout index (mean (SD))

27.93 (7.94)

21.06 (9.31)

0.02

Facial stiffnessc (mean (SD))

4.19 (0.85)

4.00 (0.91)

0.52

  1. SD, standard deviation
  2. aIndependent two-sample t test, unless indicated otherwise
  3. bFisher’s exact test
  4. cNumerical rating scale from 1 to 5, where 1 indicates no stiffness and 5 indicates very stiff