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Table 3 Relationships between periodontal bone loss, age, gender, segment

From: Evaluating the relationship between periodontal bone loss in maxillary posterior teeth and Schneiderian membrane thickness

Parameter

Premolar PBL

I. Molar PBL

II. Molar PBL

n

PBL (mm)

Std.

p

n

PBL (mm)

Std.

p

n

PBL (mm)

Std.

p

Age

Group I

341

1.62

0.72

0.000*

327

1.55

0.77

0.000*

348

1.35

0.73

0.000*

Group II

208

2.36

1.23

165

2.28

1.31

212

2.08

1.08

Group III

240

3.08

1.43

191

3.42

1.90

230

3.08

1.60

Group IV

37

3.80

1.19

18

3.85

1.44

27

4.22

1.48

Gender

Female

456

2.07

1.14

0.000*

411

2.10

1.41

0.000*

457

1.85

1.20

0.000*

Male

370

2.65

1.43

290

2.57

1.68

360

2.47

1.56

Segment

Right

430

2.42

1.32

0.049**

357

2.31

1.54

0.687

422

2.16

1.41

0.343

Left

396

2.24

1.30

344

2.27

1.55

395

2.07

1.39

  1. *p < 0.001
  2. **p < 0.05
  3. n: Number of teeth, F: Female, M: Male, MT: Membrane thickness, PBL: Periodontal bone loss, Std: Standard deviation
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