History + Skin + History ± Skin + History + Skin - Total
- 62  positive responses  46 (74%)  9 (15%) 7 (11%) 62 (100%) 
- 35  negative responses   6 (17%) 21 (60%) 8 (23%) 35 (100%)
Total 54 (55%) 30 (30%) 15 (15%) 97 (100%)
+ =positive; ± =unknown; - =negative
Table 4: Agreement between disease history and skin tests.
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