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Table 1 Self-perceived and clinically diagnosed dental 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 Dental Health Status
  "Good" "Bad"
"Good"   
DMFT = 0(caries-free)* 81 (67%) 40 (33%)
DMFT = 0–4* 125 (56%) 100 (44%)
D = 0–3* 115 (57%) 88 (43%)
"Bad"   
DMFT≥1* 67 (30%) 152 (70%)
DMFT>4* 22 (19%) 93 (81%)
D>3* 32 (23%) 105 (77%)
  1. * p < 0.001, Fisher's Exact Chi-square test
  2. Cut-off points:
  3. DMFT = 1: Sensitivity = 70%, Specificity = 67%
  4. DMFT = 4: Sensitivity = 81%, Specificity = 56%
  5. D = 3: Sensitivity = 77%, Specificity = 57%
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