Table 2 Means, standard deviations, mean differences, confidence intervals and effect sizes of the variables related to the range of motion in all the time points.

From: A randomised clinical trial comparing 35 Hz versus 50 Hz frequency stimulation effects on hand motor recovery in older adults after stroke

Measure

Control group (n  = 20)

35 Hz NMES (n  = 21)

50 Hz NMES (n  = 20)

Range of motion (º)

Testing time

Mean (SD)

MD (CI 95%)

ES (d)

Mean (SD)

MD (CI 95%)

ES (d)

Mean (SD)

MD (CI 95%)

ES (d)

Wrist resting angle

Baseline

− 5.50 (5.60)

  

− 10.48 (9.74)

  

− 10.50 (10.87)

  

1-month

− 4.75 (4.99)

− 0.75 (− 2.92, 1.42)

− 0.14

− 5.24 (9.01)

− 5.23 (− 7.35, − 3.12)*

− 0.57

− 6.00 (8.52)

− 4.50 (− 6.67, − 2.32)*

− 0.47

2-months

− 5.50 (5.60)

0.00 (− 2.24, 2.24)

0.00

− 3.90 (7.36)

− 6.57 (− 8.75, − 4.38)*

− 0.78

− 5.25 (7.86)

− 5.25 (− 7.49, − 3.00)*

− 0.56

Follow-up

− 4.75 (5.73)

− 0.75 (− 3.50, 2.00)

− 0.13

− 5.95 (10.5)

− 4.52 (− 7.21, − 1.83)*

− 0.45

− 5.25 (8.35)

− 5.25 (− 8.00, − 2.49)*

− 0.55

Wrist active extension

Baseline

19.25 (18.0)

  

17.57 (11.8)

  

13.10 (6.54)

  

1-month

19.85 (18.8)

− 0.60 (− 4.04, 2.84)

− 0.03

27.81 (15.2)

− 10.23 (− 13.59, − 6.88)*

− 0.77

17.25 (8.96)

− 4.15 (− 7.59, − 0.71)*

− 0.54

2-months

20.25 (19.3)

− 1.00 (− 5.28, 3.28)

− 0.05

32.29 (17.1)

− 14.71 (− 18.9, − 10.5)*

− 1.03

21.50 (11.0)

− 8.40 (− 12.6, − 4.11)*

− 0.95

Follow-up

22.00 (19.7)

− 2.75 (− 7.47, 1.97)

− 0.15

36.90 (17.3)

− 19.33 (− 23.9, − 14.72)*

− 1.54

21.00 (11.5)

− 7.90 (− 12.6, − 3.17)*

− 0.86

Wrist passive extension

Baseline

40.75 (16.6)

  

46.43 (12.5)

  

36.25 (14.7)

  

1-month

44.25 (13.8)

− 3.50 (− 6.95, − 0.04)*

− 0.23

57.38 (10.9)

− 10.95 (− 14.32, − 7.57)*

− 0.96

44.00 (13.6)

− 7.75 (− 11.20, − 4.29)*

− 0.56

2-months

44.75 (13.7)

− 4.00 (− 7.40, − 0.59)*

− 0.27

60.24 (14.3)

− 13.81 (− 17.13, − 10.4)*

− 1.06

50.25 (11.9)

− 14.00 (− 17.40, − 10.5)*

− 1.07

Follow-up

48.25 (14.6)

− 7.50 (− 10.42, − 4.5)*

− 0.49

60.95 (13.0)

− 14.52 (− 17.37, − 11.6)*

− 1.16

49.75 (13.6)

− 13.50 (− 16.42, − 10.6)*

− 0.98

MCP resting angle

Baseline

− 29.75 (17.2)

  

− 37.14 (13.9)

  

− 35.00 (15.6)

  

1-month

− 31.00 (16.3)

1.25 (− 2.14, 4.64)

0.07

− 30.24 (12.6)

− 6.90 (− 10.21, − 3.59)*

− 0.53

− 32.75 (13.1)

− 2.25 (− 5.64, 1.14)

− 0.16

2-months

− 29.00 (15.4)

− 0.75 (− 3.58, 2.08)

− 0.04

− 29.05 (14.8)

− 8.09 (− 10.86, − 5.32)*

− 0.57

− 31.75 (13.7)

− 3.25 (− 6.08, − 0.41)*

− 0.22

Follow-up

− 27.75 (15.4)

− 2.00 (− 6.12, 2.12)

− 0.12

− 29.05 (15.2)

− 8.09 (− 12.11, − 4.07)*

− 0.56

− 30.50 (14.0)

− 4.50 (− 8.62, − 0.38)*

− 0.31

MCP active extension

Baseline

12.75 (12.1)

  

15.24 (13.8)

  

6.00 (9.95)

  

1-month

12.75 (12.1)

0.00 (− 2.62, 2.62)

0.00

21.67 (11.5)

− 6.42 (− 8.99, − 3.86)*

− 0.52

9.25 (10.04)

− 3.25 (− 5.87, − 0.62)*

− 0.33

2-months

13.75 (12.1)

− 1.00 (− 4.67, 2.67)

− 0.08

22.14 (11.1)

− 6.90 (− 10.49, − 3.31)*

− 0.56

10.50 (10.7)

− 4.50 (− 8.17, − 0.82)*

− 0.44

Follow-up

15.50 (11.3)

− 2.75 (− 7.91, 2.41)

− 0.24

24.05 (10.0)

− 8.81 (− 13.84, − 3.76)*

− 0.75

11.25 (11.9)

− 5.25 (− 10.41, − 0.08)*

− 0.49

  1. SD Standard deviation, MD Mean difference (baseline minus each time), CI 95% Confidence interval 95%, ES Effect size, d Cohen’s d.
  2. *The difference is statistically significant p < .05.