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Table 2 Baseline participants characteristics

From: Transcranial direct current stimulation (a-tCDS) after subacromial injections in patients with subacromial pain syndrome: a randomized controlled pilot study

Variable

r-tDCS group

s-tDCS group

Control

All groups

Number of participants

12

12

14

38

Sex

Male: 6 (50%)

Male: 7 (58.3%)

Male: 7 (50%)

Male: 20 (52.6%)

Female: 6 (50%)

Female: 5 (41.7%)

Female: 7 (50%)

Female: 18 (47.4%)

Age (years ± SD)

52.0 ± 10.3 years

44.1 ± 6.9 years

50.2 ± 12.1 years

48.8 ± 10.4 years

Body mass index (BMI ± SD)

27.21 ± 5.0

28.7 ± 5.9

27.7 ± 4.36

27.9 ± 5.0

Dominant upper extremity

Right: 11 (91.7%)

Right: 10 (82.3%)

Right: 11 (78.6%)

Right: 32 (84.3%)

Left: 1 (8.3%)

Left: 2 (16.7%)

Left: 3 (21.4%)

Left: 6 (15.7%)

Affected shoulder

Dominant: 9 (75%)

Dominant: 6 (50%)

Dominant: 6 (42.9%)

Dominant: 20 (52.6%)

Non-dominant: 3 (25%)

Non-dominant: 6 (50%)

Non-dominant: 8 (57.1%)

Non-dominant: 18 (47.4%)

Time since onset of symptoms (months ± SD)

82.3 ± 75.3 months

88.6 ± 106.2 months

48.1 ± 50.3 months

71.4 ± 79.3 months

Baecke physical activity index (score ± SD)

8.7 ± 1.4

8.6 ± 1.9

9.1 ± 1.4

8.8 ± 1.5

Frequency of repetitive motions at work

Never: 1 (8.3%)

Never: 0 (0%)

Never: 0 (0%)

Never: 1 (2.6%)

Rarely: 1 (8.3%)

Rarely: 1 (8.3%)

Rarely: 2 (14.3%)

Rarely: 4 (10.6%)

Sometimes: 3 (25%)

Sometimes: 3 (25%)

Sometimes: 2 (14.3%)

Sometimes: 8 (21.1%)

Often: 3 (25%)

Often: 4 (33.3%)

Often: 3 (21.4%)

Often: 10 (26.3%)

Very often: 4 (33.3%)

Very often: 4 (33.3%)

Very often: 7 (50%)

Very often: 15 (39.5%)

Frequency of overhead tasks at work

Never: 2 (16.7%)

Never: 0 (0%)

Never: 0 (0%)

Never: 3 (5.3%)

Rarely: 4 (33.3%)

Rarely: 4 (33.3%)

Rarely: 3 (21.4%)

Rarely: 11 (28.9%)

Sometimes: 3 (25%)

Sometimes: 6 (50%)

Sometimes: 3 (21.4%)

Sometimes: 12 (31.6%)

Often: 1 (8.3%)

Often: 1 (8.3%)

Often: 6 (42.9%)

Often: 8 (21.1%)

Very often: 2 (16.7%)

Very often: 1 (8.3%)

Very often: 2 (14.3%)

Very often: 5 (13.2%)

  1. Results shown as: total number (frequency %) unless otherwise noted
  2. Abbreviations: tDCS transcranial direct current stimulation, r-tDCS real tDCS, s-tDCS sham tDCS, SD standard deviation