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

Table 2 Quantitative analysis of publication bias

Outcome	Studies trimmed/total studies	Trim-and-fill analysis		Begg’s test (P-value)	Egger’s test (P-value)
Outcome	Studies trimmed/total studies	MD	95%CI	Begg’s test (P-value)	Egger’s test (P-value)
PD	0/7	− 0.06	− 0.18, 0.06	0.07	0.04
AL	0/3	0.23	− 0.01, 0.46	1.00	0.90
PI	0/6	0.26	− 0.04, 0.56	0.26	0.79
GI	0/3	0.04	− 0.03, 0.10	1.00	0.69
BOP	1/7	2.74	− 2.10, 7.58	0.76	0.34

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

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