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Table 4 Comparison of TNF-α salivary level among the study groups

From: Salivary TNFα levels in groups of subjects with rheumatoid arthritis and chronic periodontitis

TNF level N Mean SD 95% CI for mean
Lower bound Upper bound
RA 15 30.80 26.73 16.00 45.60
Chronic periodontitis 15 28.70 35.24 9.18 48.22
Control 10 35.98 30.43 14.21 57.74
Total 40 31.31 30.40 21.58 41.03
  1. One way ANOVA performed, p value = 0.846, p value is not significant