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Table 3 Change of secondary outcomes and the results of longitudinal analysis

From: The effect of intradialytic exercise on dialysis patient survival: a randomized controlled trial

 

Intervention

Usual care

  

Baseline (n = 37)

3rd months (n = 36)

6th months (n = 35)

Baseline (n = 37)

3rd months (n = 35)

6th months (n = 33)

Partial

Eta

Square

 Group× Time

Alb (g/dl)

3.5 ± 0.3

3.7 ± 0.3

4 ± 0.3

3.7 ± 0.3

3.6 ± 0.3

3.5 ± 0.2

0.5

 < 0.001**

HGB (g/dl)

10 ± 1

10.8 ± 1.3

11.7 ± 1.4

10.8 ± 1.3

10.2 ± 1.2

9.9 ± 1.2

0.6

 < 0.001**

RBC (106/”L)

3.5 ± 0.4

3.9 ± 0.5

4.2 ± 0.5

3.8 ± 0.5

3.6 ± 0.5

3.5 ± 0.5

0.65

 < 0.001**

HCT (%)

31.8 ± 3.2

34.3 ± 3.4

36.8 ± 3.7

33.9 ± 3.2

32.2 ± 3.1

31.1 ± 3

0.68

 < 0.001**

Ca (mg/dl)

7.9 ± 0.9

8.6 ± 7

9.1 ± 0.6

8.6 ± 0.8

8.6 ± 0.7

8.3 ± 0.7

0.3

 < 0.001**

P (meq/lit)

5.6 ± 1.5

5 ± 1.2

4.3 ± 0.6

5.4 ± 1.4

5.9 ± 1

5.3 ± 1

0.3

 < 0.001**

PTH (pg/ml)

441 (264—567)

290 (224—391)

245 † (173—286)

270 (180—418)

342 (245—476)

312 (243—407)

0.8

NA

GNRI

92.8 ± 4.6

96.1 ± 5.1

101.1 ± 4.1

96 ± 5.5

94.5 ± 4.9

92.7 ± 5

0.5

 < 0.001**

6 MWT (m)

309 ± 86

348 ± 92

381 ± 99

323 ± 78

304 ± 83

283 ± 87

0.9

 < 0.001**

  1. Alb Albumin, HGB Hemoglobin, RBC Red blood cells, HCT Hematocrit, Ca serum calcium, P serum phosphorous,
  2. PTH Parathyroid hormone, GNRI Geriatric Nutritional Risk Index, 6 MWT 6-min walk test
  3. Values are as mean ± standard deviation or median (interquartile)
  4. Group × Time is an interaction from a two-way repeated-measures analysis of the effect of time from baseline to 6 months
  5. *p < 0.05 significant
  6. **p < 0.01 highly significant
  7. †p < 0.01 highly significant within-group difference, analyzed by Friedman test