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01.12.2014 | Erratum | Ausgabe 1/2014 Open Access

BMC Palliative Care 1/2014

Erratum to: The feasibility and acceptability of neuromuscular electrical stimulation to improve exercise performance in patients with advanced cancer: a pilot study

Zeitschrift:
BMC Palliative Care > Ausgabe 1/2014
Autoren:
Tamara Windholz, Tara Swanson, Brandy L Vanderbyl, R Thomas Jagoe
Wichtige Hinweise
The online version of the original article can be found at 10.​1186/​1472-684X-13-23
Tamara Windholz, Tara Swanson contributed equally to this work.

Correction

In the course of type-setting this article [ 1] for final publication the presentation of the data in Tables  1 and 2 was altered. To avoid any confusion and to improve the clarity of our results the corrected Tables are included here.
Table 1
Demographic and disease characteristics of patients who underwent full baseline assessment
     
All subjects
     
(N = 15)
       
Completed
Withdrawn
 
       
(N = 10)
(N = 5)
P
   
Mean (SD)
Age
(yrs)
 
67.9 (9.4)
67.6 (10.9)
68.4 (6.3)
0.88
Body mass index
(kg/m 2)
 
23.1 (4.6)
23.7(4.9)
22.1(4.2)
0.52
   
N (%)
Sex
 
M
 
9 (60)
4 (40)
5 (100)
 
 
F
 
6 (40)
6 (60)
0 (0)
0.04
PS
 
1
 
2 (13)
2 (20)
0 (0)
 
 
2
 
6 (40)
4 (40)
2 (40)
 
 
3
 
7 (47)
4 (40)
3 (60)
0.79
Diagnosis
 
Lung Cancer
 
4 (27)
3 (30)
1 (20)
 
 
GI cancer
 
6 (40)
2 (20)
4 (80)
 
 
Other
 
5 (33)
5 (50)
0 (0)
NA
Cancer stage
 
III
 
1 (7)
1 (10)
0 (0)
 
 
IV
 
11 (73)
6 (60)
5 (100)
 
 
NA
 
3 (20)
3 (30)
0 (0)
NA
Chemotherapy
 
Y
 
10 (67)
6 (60)
4 (80)
 
 
N
 
5 (33)
4 (40)
1 (20)
0.60
Recent steroid use
 
Y
 
6 (40)
4 (40)
2 (40)
 
 
N
 
9 (60)
6 (60)
3 (60)
1.00
Notes: P indicates result of significance testing (unpaired t-test for means or Fisher’s exact test for count data) comparing patients who did, or did not complete the study.
Table 2
Physical performance evaluation results at baseline and after 6 weeks of NMES intervention
 
Baseline
End of study
All subjects
 
(N = 15)
 
 
Withdrawn
Completed
 
Completed
   
 
(N = 5)
(N = 10)
P a
(N = 10)
Difference
P b
 
Number
   
PS
1
   
0
2
0.79 #
4
 
0.15 #
 
2
   
2
4
 
4
   
 
3
   
3
4
 
2
   
 
Mean (SD)
   
6MWT
m
 
257(160)
166 (138)
303 (157)
0.11
282 (171)
−21.1 (167.7)
0.70
 
%
 
50.2 (32.2)
31.0(24.6)
59.8(32.2)
0.08
56.0(34.5)
−3.8 (33.3)
0.73
STS
s
 
8.0(4.3)
7.6 (3.4)
8.2 (4.8)
0.80
7.0(3.3)
−1.2 (3.4)
0.30
 
S-score
 
2.6(2.4)
2.2 (2.0)
2.7 (2.2)
0.69
2.0(1.8)
−0.7 (2.0)
0.30
Notes: Performance status (PS), six-minute walk distance (6MWT) in metres (m) and expressed as % predicted (from [21]), Sit-to-stand (STS) test expressed as seconds (s) and as a standard score (S-score) value calculated using age range-specific mean and standard deviations for healthy controls (from [22]): positive scores indicates STS S-scores above the mean. P a: #Fisher’s exact (for counts) or unpaired t-test (for means) comparing baseline results for patients withdrawn and patients who completed study. P b: #Fisher’s exact (for counts) or paired t-test (for means) comparing baseline and final test results for patients who completed the study.
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