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Table 3 PPV of a reported history of measles for the presence of measles antibodies

From: Prevalence of measles antibodies among health care workers in Catalonia (Spain) in the elimination era

  History of measles  
Variable Antibodies +/n PPV
   (95% CI)
Year of birth   
1981 and after 9/9 100 (66.4–100)
1965 - 1980 127/127 100 (97.1–100)
1964 - 1955 95/98 96.9 (91.3–99.4)
1954 and before 76/77 98.7 (93.0–100)
All 307/311 98.7 (96.7–99.6)
Sex   
Male 60/60 100 (94.0–100)
Female 247/251 98.4 (96.0–99.6)
Professional category   
Physician 94/94 100 (96.2–100)
Nurse 120/123 97.6 (93.0–99.5)
Other clinical workers 34/35 97.1 (85.1–99.9)
Non-clinical workers 59/59 100 (93.9–100)
Type of centre   
Primary health 157/157 100 (97.7–100)
Hospital 150/154 97.4 (93.5–99.3)