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Table 2 Comparison of mean values of MMP-1, MMP-2, MMP-8, MMP-9, IL-1β, IL-8 in all samples with the control value

From: Effects of metformin on human gingival fibroblasts: an in vitro study

Outcome variables

Mean values using Metformin

Control value

Difference in mean value

t-value

p-value

MMP-1

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

32919.67

32310.67

30370.66

31531.00

27479.00

28111.33

26674.33

30044.33

34154.33

34154.33

34154.33

34154.33

34154.33

34154.33

34154.33

34154.33

-1234.66

-1843.66

-3783.66

-2623.33

-6675.33

-6042.99

-7479.99

-4109.99

-0.609

-1.364

-3.771

-0.982

-7.028

-5.012

-17.462

-2.579

0.604

0.306

0.063

0.429

0.019*

0.037*

0.003*

0.123

MMP-2

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

85000.33

85175.66

86440.00

87454.66

42692.33

34762.00

43714.66

42102.00

85914.67

85914.67

85914.67

85914.67

85914.67

85914.67

85914.67

85914.67

-914.33

-739.00

525.33

1539.99

-43222.33

-51152.67

-42200.00

-43812.67

-0.494

-1.327

0.177

1.107

-158.551

-50.521

-54.857

-440.638

0.670

0.315

0.875

0.383

< 0.0001*

< 0.0001*

< 0.0001*

< 0.0001*

MMP-8

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

101.69

99.69

101.69

184.24

87.31

105.82

103.66

97.69

121.51

121.51

121.51

121.51

121.51

121.51

121.51

121.51

-19.813

-21.816

-19.813

62.730

-34.193

-15.689

-17.843

-23.820

-2.805

-4.019

-2.805

12.110

-16.256

-3.893

-2.4298

-11.619

0.107

0.056

0.107

0.006*

0.003*

0.060

0.135

0.007*

MMP-9

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

74.90

67.80

62.99

59.60

66.39

73.20

68.09

66.05

69.79

69.79

69.79

69.79

69.79

69.79

69.79

69.79

5.11

-1.98

-6.80

-10.18

-3.40

3.41

-1.69

-3.73

1.730

-0.258

-2.000

-1.733

-1.000

0.999

-0.377

-1.150

0.225

0.820

0.183

0.225

0.422

0.422

0.742

0.369

IL-1 β

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

13.74

15.03

14.62

14.62

15.04

13.52

13.07

13.44

15.18

15.18

15.18

15.18

15.18

15.18

15.18

15.18

-1.43

-0.14

-0.56

-0.56

-0.13

-1.65

-2.10

-1.73

-1.836

-0.193

-1.515

-1.515

-0.250

-1.907

-1.812

-1.906

0.207

0.864

0.268

0.268

0.8257

0.196

0.211

0.196

IL-8

Sample2

Sample3

Sample4

Sample5

Sample6

Sample7

Sample8

Sample9

6055.33

6094.66

6139.00

5990.66

5689.66

2952.00

4085.66

3885.00

6229.67

6229.67

6229.67

6229.67

6229.67

6229.67

6229.67

6229.67

-174.33

-135.00

-90.67

-239.00

-540.00

-3277.67

-2144.00

-2344.67

-1.460

-21.316

-0.900

-1.978

-7.914

-8.306

-11.37

-25.311

0.281

0.202

0.4627

0.186

0.015*

0.014*

0.008*

0.002*

  1. *Statistically significant p <0.05