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. Author manuscript; available in PMC: 2011 Mar 1.
Published in final edited form as: Respir Med. 2009 Nov 13;104(3):345–355. doi: 10.1016/j.rmed.2009.10.016

Table 3.

Associations of allergen-specific and total IgE with indicators of asthma severity

Indicator Urgent doctor visit Emergency department visit Hospitalization overnight

No Yes No Yes No Yes
N % N % P-value N % N % P-value N % N % P-value

344 75.9 109 24.1 350 77.3 103 22.7 398 87.9 55 12.14
Sensitized to cockroach 0.002 0.001 0.01
   No 303 88.1 76 69.7 292 83.4 71 68.9 326 81.9 37 67.3
   Yes 41 11.9 33 30.3 58 16.6 32 31.1 72 18.1 18 32.7
Sensitized to dust mite 0.003 0.003 0.004
   No 304 88.4 84 77.1 309 88.3 79 76.7 348 87.4 40 72.7
   Yes 40 11.6 25 22.9 41 11.7 24 23.3 50 12.6 15 27.3
Sensitized to cat 0.003 <0.0001 0.0009
   No 326 94.8 94 86.2 334 95.4 86 83.5 375 94.2 45 81.8
   Yes 18 5.2 15 13.8 16 4.6 17 16.5 23 5.8 10 18.2
Sensitized to
mouse <0.0001 <0.0001 <0.0001
   No 322 93.6 85 78.0 326 93.1 81 78.6 367 92.2 40 72.7
   Yes 22 6.4 24 22.0 24 6.9 22 21.4 31 7.8 15 27.3
Sensitized to any of four 0.001 0.0004 0.002
   No 247 71.8 60 55.0 252 72.0 55 53.4 280 70.4 27 49.1
   Yes 97 28.2 49 45.0 98 28.0 48 46.6 118 29.6 28 50.9
Total IgE (IU/ml) <0.0001 0.002 0.0006
   <125 262 76.2 60 55.0 260 74.3 62 60.2 290 72.9 32 58.2
   126–249 50 14.5 15 13.8 50 14.3 15 14.6 60 15.1 5 9.1
   250–375 10 2.9 11 10.1 15 4.3 6 5.8 16 4.0 5 9.1
   >375 22 6.4 23 21.1 25 7.1 20 19.4 32 8.0 13 23.6