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Table 1 Charicteristics of the included studies

From: Oral manifestations of patients with systemic sclerosis: a meta-analysis for case-controlled studies

Author and year

Country

Design

Sample size (SS/CTR)

Age (SS/CTR)

Female (SS/CTR)

Outcomes for meta-analysis

Baron 2014

Canada

Case-controlled

163/231

56.2/58.1 (P > 0.05)

146/209 (P > 0.05)

Decayed teeth/ Missing teeth/ Filled teeth/Interincisal distance

Chu 2011

China

Case-controlled

40/40

(P > 0.05)

(P > 0.05)

Decayed teeth/ Missing teeth/ Filled teeth/DMFT/Interincisal distance/Prevalence of periodontitis/Number of teeth

da Silva 2019

Brazil

Case-controlled

50/43

46/44

43/36

PD/AL/Prevalence of periodontitis

Elimelech 2015

Israel

Case-controlled

20/20

45.36/48.5 (P > 0.05)

18/15

PD/BOP/Sites with PD > 4mm

Iordache 2019

Romania

Case-controlled

43/43

43.95/NA (P > 0.05)

31/NA (P > 0.05)

PD/Number of teeth

Isola 2017

Italy

Case-controlled

54/55

48.7/47.3 (P > 0.05)

36/30 (P > 0.05)

PD/AL/BOP/Sites with PD > 4mm/Missing teeth

Leung 2011

China

Case-controlled

36/36

35/NA (P > 0.05)

50.6/NA (P > 0.05)

PD/AL/BOP/Number of teeth

Marcucci 2009

Brazil

Case-controlled

15/10

43.72/31.82

13/NA

Interincisal distance

Mayer 2013

Israel

Case-controlled

12/12

48.4 /51.5 (P > 0.05)

9/7 (P > 0.05)

PD/BOP/Sites with PD > 4mm

Pischon 2016

Germany

Case-controlled

58/52

55.1/52.1(P > 0.05)

44/43 (P > 0.05)

PD/AL/BOP/DMFT/Missing teeth/Number of teeth

Wood 1988

Canada

Case-controlled

31/30

51.9/50.3 (P > 0.05)

(P > 0.05)

Interincisal distance/DMFT

  1. SS, Systemic sclerosis, CTR control