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Table 2 Self-perceived and clinically diagnosed periodontal health status of 340 study subjects (2004–2005).

From: Are immigrant populations aware about their oral health status? A study among immigrants from Ethiopia

Clinical Examination Self Perceived Periodontal Health Status
  "Good" "Bad"
"Good"   
Without Periodontal Pockets* 117 (54%) 99 (46%)
"Bad"   
Periodontal Pockets* 32 (25%) 92 (75%)
  1. * p < 0.001, Fisher's Exact Chi-square test
  2. Sensitivity = 75%, Specificity = 54%