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Table 1 Characteristics of eligible studies included in this meta-analysis

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

Author name, year Location Subjects Gender (%Female) Age RA duration (years) Follow-up time Outcomes
Pinho et al. (2009) [42] Brazil Test: 15
Control: 15
60.0% 35–60 0.5–10 3, 6 months PI, PD, BOP
Bıyıkoğlu et al. (2013) [43] Turkey Test: 15
Control: 15
Test: 60.0%
Control: 40.0%
Test: 46.6
Control: 46.7
6.4 1,3,6 months PI, PD, AL, BOP
Roman-Torres et al. (2015) [44] Brazil Test: 12
Control: 12
100% Test: 45.4
Control: 46.8
10.0 3 months PI, PD, BOP
Kurgan et al. (2016) [45] Turkey Test: 13
Control: 13
Test: 69.2%
Control: 46.2%
Test: 48.5
Control: 41.4
NA 3 months PI, GI, PD, BOP
Kurgan et al., (2017) [46] Turkey Test: 15
Control: 15
Test: 60.0%
Control: 53.3%
Test: 49.3
Control: 42.1
NA 3 months PI, GI, PD, AL, BOP
Zhao et al. (2018) [47] China Test: 18
Control: 18
Test: 77.8%
Control: 77.8%
Test: 42.8
Control: 44.8
 > 6 weeks 1 month PI, GI, PD, BOP
Cosgarea et al. (2019) [40] Germany Test: 18
Control: 18
Test: 77.8%
Control: 55.6%
Test: 51.6
Control: 43.6
14.9 3,6 months PD, AL, BOP
  1. AL, attachment loss; BOP, bleeding on probing; GI, gingival index; PD, probing depth; PI, plaque index; RA, rheumatoid arthritis