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 |