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Table 3 Baseline phenotypic characteristics of children in Costa Rica, CAMP, and BAMSE

From: Thymic stromal lymphopoietin (TSLP) is associated with allergic rhinitis in children with asthma

Variable Costa Rica* CAMP* BAMSE
  All (n = 592) Boys (n = 351) Girls (n = 241) All (n = 422) Boys (n = 266) Girls (n = 156) All (n = 239) Boys (n = 150) Girls (n = 89)
Age-Years 9.0 (1.8) 9.1 (1.9) 8.9 (1.7) 8.7 (2.1) 8.6 (2.1) 8.9 (2.1) 8.3 (0.5) 8.3 (0.5) 8.3 (0.4)
STR or allergen-specific IgE - Any Positive 504 (85.4%) 200 (83.9%) 304 (87.1%) 370 (87.7%) 235 (88.4%) 135 (86.5%) 113 (47.3%) 78 (52%) 35 (39%)
Serum Total IgE - IU/ml 697 (867) 755 (911) 611 (792) 1095 (1920) 988 (1567) 1276 (2397) n/a n/a n/a
Nasal symptoms in past year 543 (91.7%) 334 (90.3%) 230 (93.5%) 207 (49.1%) 135 (50.8%) 72 (46.2%) 76 (31.9%) 52 (34.9%) 24 (27.0%)
Allergic Rhinitis 474 (80.1%) 282 (80.3%) 192 (79.7%) 189 (44.8%) 124 (46.6%) 65 (41.7%) 64 (26.9%) 43 (28.9%) 21 (23.6%)
  1. Values are presented as mean (standard deviation) or number (percentage)
  2. STR = skin test reaction
  3. *Values are for index children in these family-based cohorts
  4. Data not collected in BAMSE