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Table 2 Baseline characteristics of psychologically stressed patients in the verum and the placebo group

From: Placebo-controlled dietary intervention of stress-induced neurovegetative disorders with a specific amino acid composition: a pilot-study

 

Verum (n = 18)

Placebo (n = 16)

V vs. P

\( \overline{\mathrm{x}} \) ± SD

\( \overline{\mathrm{x}} \) ± SD

p -value

sex (n)

f

10 (56%)

11 (69%)

0.429a

m

8 (44%)

5 (31%)

 

Age (years)

50 ± 9

50 ± 12

0.670b

Height (cm)

172 ± 8

169 ± 10

0.313b

Weight (kg)

83 ± 17

82 ± 19

0.772b

BMI (kg/m2)

28.0 ± 4.4

28.3 ± 4.8

0.986b

≤24.5 kg/m2

5 (28%)

3 (19%)

0.825a

24.6-29.9 kg/m2

8 (44%)

8 (50%)

 

≥30 kg/m2

5 (28%)

5 (31%)

 

WC female (cm)

88 ± 11

83 ± 11

0.197b

WC f ≥ 88 cm (n)

7 (70%)

3 (27%)

0.050a

WC male (cm)

100 ± 11

102 ± 17

0.524b

WC m ≥ 102 cm (n)

4 (50%)

3 (60%)

0.725a

BP systolic (mmHg)

135 ± 10

131 ± 13

0.175b

≥130 mmHgci

14 (78%)

6 (38%)

0.017a

BP diastolic (mmHg)

85 ± 10

83 ± 8

0.463b

≥85 mmHg

9 (50%)

8 (50%)

1.000a

Pulse pressure

51 ± 9

48 ± 10

0.313b

rHR (1/min)

69 ± 10

73 ± 10

0.597b

PNF (points)

41 ± 5

39 ± 6

0.229b

PN (points)

16 ± 3

16 ± 4

0.873b

Impulsion (points)

8 ± 2

7 ± 2

0.215b

Concentration (points)

7 ± 3

7 ± 3

0.901b

Cortisol_m (ng/ml)c

7.5 ± 4.4

6.1 ± 3.3

0.552b

Cortisol_e (ng/ml)c

1.2 ± 1.5

1.2 ± 1.2

0.711b

ΔCortisol (ng/ml)c

6.3 ± 5.0

5.0 ± 3.8

0.652b

Serotonin (μg/l)c

180 ± 84

180 ± 47

0.444b

CRP sensitive (mg/l)

2.9 ± 3.1

6.6 ± 7.9

0.202b

GGT (U/l)

45 ± 48

21 ± 11

0.046b

TC (mg/dl)

219 ± 36

217 ± 43

0.772b

HDL-C (mg/dl)

59.0 ± 26.8

61.4 ± 18.0

0.356b

LDL-C (mg/dl)

133 ± 34

132 ± 42

0.932b

LDL-C/HDL-C

2.6 ± 1.0

2.3 ± 0.9

0.330b

TG (mg/dl)

162 ± 88

145 ± 57

0.851b

TG/HDL-C

3.4 ± 2.6

2.8 ± 1.8

0.621b

FPG (mg/dl)

99 ± 28

97 ± 16

0.798b

HbA1c (%)

5.8 ± 0.9

5.7 ± 0.3

0.330b

HOMA-Index

3.2 ± 3.3

2.0 ± 1.2

0.330b

Insulin-ECLIA (μU/ml)

11.9 ± 8.1

8.1 ± 4.1

0.266b

  1. abbreviations used: BP, blood pressure; BMI, body mass index; Cortisol: _m, morning; _e, evening; ΔCortisol, cortisol difference morning-evening; CRP sensitive, C-reactive protein sensitive; ECLIA, Enhanced Chemiluminescent Immunoassay; FPG, fasting plasma glucose; GGT, gamma-glutamyltransferase; HbA1c, glycated haemoglobin A1c; HDL-C, HDL cholesterol; HOMA-Index, Homeostasis Model Assessment-Index; LDL-C, LDL cholesterol; PNF, Psychological Neurological; Questionnaire; PN, psycho-neurovegetative stability; rHR, resting Heart rate; TC, total cholesterol; TG, triglycerides; WC, waist circumference.p-value: aChi2 test; bMann–Whitney-U test; c data not available for all patients (numbers listed in Additional file 2).