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Table 3 Subgroup analysis according to different follow up time points

From: Effects of non-surgical periodontal therapy on periodontal clinical data in periodontitis patients with rheumatoid arthritis: a meta-analysis

Follow-up time

No. of studies

Meta-analysis

Heterogeneity

Publicaton bias(P-value)

MD

95%CI

P-value

I2(%)

P-value

Begg’s test

Egger’s test

PD

1mo

2

− 0.14

− 0.47, 0.20

0.43

50.5

0.16

1.00

NA

3mo

6

− 0.05

− 0.20, 0.09

0.43

0.0

0.59

0.13

0.05

6mo

3

− 0.14

− 0.35, 0.06

0.17

0.0

0.49

0.30

0.26

AL

1mo

1

− 0.07

− 0.83, 0.69

0.86

NA

NA

NA

NA

3mo

3

− 0.02

− 0.24, 0.20

0.85

0.0

0.77

0.30

0.20

6mo

2

0.36

0.06, 0.65

0.02

0.0

0.78

1.00

NA

PI

1mo

2

− 0.07

− 0.56, 0.42

0.78

64.1

0.10

1.00

NA

3mo

5

0.31

− 0.03, 0.64

0.08

17.0

0.31

0.46

0.59

6mo

2

0.60

0.08, 1.13

0.02

29.7

0.23

1.00

NA

GI

1mo

1

0.05

− 0.02, 0.12

0.19

NA

NA

NA

NA

3mo

2

− 0.05

− 0.36, 0.26

0.76

61.2

0.11

1.00

NA

BOP

1mo

2

− 0.77

− 4.35, 2.81

0.67

0.0

0.80

1.00

NA

3mo

6

5.93

0.28, 11.58

0.04

54.2

0.05

0.71

0.32

6mo

3

5.02

− 1.28, 11.32

0.12

6.0

0.35

0.30

0.28

  1. AL, attachment loss; BOP, bleeding on probing; CI, confidence interval, GI, gingival index; MD, mean difference; PD, probing depth; PI, plaque index