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Table 6 Results of t test in diseases from different studies

From: Immunoassay of S-adenosylmethionine and S-adenosylhomocysteine: the methylation index as a biomarker for disease and health status

Diseases

Response variable

Mean

p value

Significance

Study A

 Liver cancer

SAM

278.0652

0.03451

**

 Liver cancer

SAH

293.35

0.3288

 

 Liver cancer

MI

1.562109

0.1131

 

 Lung cancer

SAM

262.5039

0.001248

***

 Lung cancer

SAH

326.9877

0.007807

***

 Lung cancer

MI

0.9710702

3.67E−06

****

 Other cancer

SAM

283.3233

0.00116

***

 Other cancer

SAH

394.7301

5.61E−06

****

 Other cancer

MI

0.8156412

8.12E−09

****

Study B

 Cerebrovascular diseases

SAM

415.4277

0.6064

 

 Cerebrovascular diseases

SAH

363.3671

0.03015

**

 Cerebrovascular diseases

MI

1.163449

2.03E−05

****

 Depression

SAM

337.385

0.3531

 

 Depression

SAH

442.379

0.01176

**

 Depression

MI

0.87051

4.81E−06

****

 Parkinson’s disease

SAM

285.5726

0.07684

*

 Parkinson’s disease

SAH

794.5792

0.06972

*

 Parkinson’s disease

MI

0.74988

7.18E−06

****

Study C

 Cerebrovascular diseases

SAM

357.9406

0.4365

 

 Cerebrovascular diseases

SAH

353.175

0.001237

***

 Cerebrovascular diseases

MI

1.148035

2.31E−05

****

 Diabetes

SAM

262.3474

0.001136

***

 Diabetes

SAH

372.0686

0.003831

***

 Diabetes

MI

0.8619158

9.20E−08

****

 High blood pressure

SAM

288.3645

0.0389

**

 High blood pressure

SAH

358.1118

0.01378

**

 High blood pressure

MI

0.9178064

3.93E−07

****

 Heart diseases

SAM

315.962

0.07938

**

 Heart diseases

SAH

440.9451

5.95E−07

****

 Heart diseases

MI

0.7822701

5.61E−09

****

 Inflammation

SAM

223.732

3.05E−06

****

 Inflammation

SAH

292.012

0.2051

 

 Inflammation

MI

0.8193137

1.91E−08

****

 Kidney disease

SAM

307.6073

0.1077

 

 Kidney disease

SAH

497.1204

7.76E−06

****

 Kidney disease

MI

0.6976807

3.69E−09

****

 Chronic liver diseases

SAM

356.3407

0.5037

 

 Chronic liver diseases

SAH

444.0027

1.22E−06

****

 Chronic liver diseases

MI

0.8921861

2.72E−07

****

 Respiratory diseases

SAM

393.3392

0.8827

 

 Respiratory diseases

SAH

486.5144

4.24E−08

****

 Respiratory diseases

MI

0.7916811

5.27E−09

****

  1. * Represents significance at significance level = 0.1, ** represents significance at significance level = 0.05; *** represents significance at significance level = 0.01, **** represents significance at significance level = 0.001