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Table 2 Symptoms of shrimp ingestion, dust mite sensitization and atopic symptoms based on approximate quartiles of shrimp skin test diameter

From: High rate of house dust mite sensitization in a shrimp allergic southern Ontario population

  Shrimp skin test p value
3–4 mm 5–6 mm 7–9 mm 10–18 mm  
n = 100 13 27 31 29  
Shrimp symptoms severity grade 1–5 (%)      
 1 3 (23) 8 (30) 12 (39) 12 (41)  
 2 7 (54) 2 (7) 7 (23) 4 (14)  
 3 1 (8) 9 (33) 3 (10) 7 (24)  
 4 2 (15) 8 (30) 9 (29) 6 (21) 0.077
 5 0 0 0 0  
Presence of asthma (%) 6 (46) 13 (48) 15 (48) 13 (45) 0.992
Presence of allergic rhinitis (%) 8 (62) 17 (63) 18 (58) 19 (66) 0.947
Presence of dermatitis (%) 2 (15) 6 (22) 3 (10) 5 (17) 0.608
  1. Approximate quartiles of shrimp skin testing showing presence of atopy, skin test positivity to dust mite and grade of shrimp ingestion symptoms