Table 3 Strength (1RM) and isokinetic measures (Contrex).

From: Physical deterioration and adaptive recovery in physically inactive breast cancer patients during adjuvant chemotherapy: a randomised controlled trial

Variable

Allocation

T0 (n = 153)

T1 (n = 124)

T2 (n = 127)

T3 (n = 112)

(95% CI)

p

Between group

p

group

Mean (SD)

Mean (SD)

Mean (SD)

Mean (SD)

diff kg (95% CI)

1RM knee extension (kg)

1

39 (10)

47 (10)

  

8 (6 to 10)

<0.0001

8 (5 to 10)

*<0.0001

2

41 (12)

41 (12)

  

0 (−2 to 2)

0.8138

 

—

1

39 (10)

 

49 (10)

 

10 (7 to 12)

<0.0001

8 (4 to 11)

*<0.0001

2

42 (13)

 

43 (13)

 

2 (−1 to 4)

0.1493

 

—

1

39 (9)

  

46 (10)

7 (4 to 9)

<0.0001

6 (2 to 9)

*0.0022

2

41 (12)

  

43 (12)

1 (−1 to 4)

0.3197

 

—

1RM lateral pull (kg)

1

29 (7)

33 (7)

  

4 (2 to 6)

<0.0001

3 (1 to 5)

*0.0173

2

30 (8)

32 (7)

  

1 (−1 to 3)

0.168

 

—

1

30 (7)

 

36 (7)

 

6 (4 to 8)

<0.0001

4 (1 to 7)

*0.0050

2

30 (8)

 

32 (7)

 

2 (0 to 4)

0.0525

 

—

1

29 (7)

  

33 (6)

4 (2 to 6)

0.0001

3 (0 to 6)

*0.0287

2

30 (7)

  

31 (7)

1 (−1 to 3)

0.4116

 

—

1RM leg press (kg)

1

84 (27)

106 (33)

  

21 (16 to 26)

<0.0001

20 (13 to 27)

*<0.0001

2

85 (36)

86 (38)

  

1 (−4 to 6)

0.6769

 

—

1

84 (27)

 

108 (36)

 

24 (18 to 29)

<0.0001

22 (14 to 29)

*<0.0001

2

86 (36)

 

87 (38)

 

2 (−3 to 7)

0.4468

 

—

1

82 (26)

  

103 (37)

21 (16 to 27)

<0.0001

18 (10 to 26)

*<0.0001

2

84 (35)

  

87 (36)

3 (−3 to 8)

0.2951

 

—

Contrex Peak right

1

117 (23)

118 (23)

  

1 (−2 to 4)

0.4679

4 (0 to 8)

0.0518

2

119 (29)

116 (29)

  

−3 (−6 to 0)

0.0447

  

1

118 (23)

 

118 (22)

 

1 (−3 to 4)

0.6659

6 (1 to 11)

*0.0126

2

120 (29)

 

114 (27)

 

−5 (−9 to −2)

0.0019

  

1

116 (23)

  

115 (23)

−1 (−5 to 3)

0.5158

2 (−3 to 8)

0.422

2

120 (30)

  

116 (29)

−4 (−8 to 0)

0.0752

  

Contrex Peak left

1

116 (23)

120 (21)

  

4 (1 to 6)

0.0191

5 (1 to 9)

*0.0246

2

119 (29)

117 (28)

  

−1 (−4 to 2)

0.3916

  

1

116 (24)

 

118 (24)

 

2 (−2 to 5)

0.2956

6 (1 to 11)

*0.0269

2

119 (30)

 

115 (30)

 

−4 (−7 to 0)

0.0354

 

—

1

116 (22)

  

116 (22)

1 (−4 to 5)

0.7467

4 (−2 to 11)

0.1879

2

121 (30)

  

116 (28)

−4 (−8 to 1)

0.1245

 

—

  1. Abbreviations: diff=difference; TO = baseline; T1 = week 6, midway; T2 = week 12, completed; T3 = week 39, follow-up; n = maximum n for patients at baseline test and associated follow-up test; *=between-group significance p < 0.05; SD = standard deviation; CI = confidence interval; diff = difference; 1RM = one repetition maximum test; allocation group 1 = supervised exercise intervention; allocation group 2 = instructed pedometer intervention.
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