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Table 2 Comparison of clinical and laboratory parameters before and after the intervention in the two groups

From: Comparing the effects of mHealth app use and face-to-face training on the clinical and laboratory parameters of dietary and fluid intake adherence in hemodialysis patients: a randomized clinical trial

Intergroup comparison

Intragroup comparison

Variable

Stage

Group

Mean (SD)

Independent t-Test

Group

Paired t-Test

t*

p-value

t**

p-value

IDWG

(Kg)

Before

mHealth

3.6 (0.8)

-0.27

0.785

mHealth

-8.05

< 0.0001

Face-to-Face

3.7 (0.7)

After

mHealth

2.3 (0.7)

-3.45

0.001

Face-to-Face

-6.023

< 0.0001

Face-to-Face

2.9 (0.6)

K

(mmol/l)

Before

mHealth

5.1 (0.4)

1.17

0.243

mHealth

-3.78

0.001

Face-to-Face

5.0 (0.3)

After

mHealth

4.6 (0.6)

0.94

0.349

Face-to-Face

-4.83

< 0.0001

Face-to-Face

4.4 (0.5)

P

(mg/dl)

Before

mHealth

4.3 (0.9)

0.90

0.370

mHealth

-3.21

0.003

Face-to-Face

4.1 (0.9)

After

mHealth

3.6 (0.6)

-0.77

0.441

Face-to-Face

-1.70

0.097

Face-to-Face

3.7 (0.6)

TC

(mg/dl)

Before

mHealth

203.2 (44.1)

-0.25

0.803

mHealth

-4.22

< 0.0001

Face-to-Face

205.8 (41.5)

After

mHealth

158.3 (36.3)

-0.46

0.642

Face-to-Face

-4.83

< 0.0001

Face-to-Face

162.5 (39.3)

TG

(mg/dl)

Before

mHealth

213.9 (114.1)

0.12

0.905

mHealth

-4.36

< 0.0001

Face-to-Face

210.7 (106.4)

After

mHealth

155.4 (76.1)

-2.16

0.034

Face-to-Face

-0.91

0.365

Face-to-Face

198.8 (90.8)

AL

(g/dl)

Before

mHealth

3.7 (0.4)

1.73

0.087

mHealth

1.91

0.064

Face-to-Face

3.5 (0.4)

After

mHealth

3.9 (0.2)

-0.08

0.932

Face-to-Face

3.88

< 0.0001

Face-to-Face

3.9 (0.2)

FER

(µg/l)

Before

mHealth

289.7 (181.6)

0.31

0.756

mHealth

-2.15

0.038

Face-to-Face

275.0 (211.9)

After

mHealth

207.8 (99.2)

-0.60

0.545

Face-to-Face

-1.430

0.162

Face-to-Face

221.7 (91.2)

  1. SD: Standard Deviation, df; degree of freedom, IDWG: interdialytic weight gain, K: potassium, P: phosphorus, TC: total cholesterol, TG: triglyceride, AL: albumin, FER: ferritin
  2. *df = 68, **df = 34