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Table 2 Percentage of serum 25(OH)D levels of < 10 ng/mL, 10 to < 20 ng/mL, 20 to < 30 ng/mL, and ≥ 30 ng/mL according to the allergen sensitization

From: Non-association between low vitamin d levels and aeroallergen-positivity evaluated using multiple allergen simultaneous test in Korean adults

Variables Participants (n, %) P-value*
Serum 25(OH)D ≥ 30 20 ≤ Serum 25(OH)D < 30 10 ≤ Serum 25(OH)D < 20 Serum 25(OH)D < 10
MAST      0.441
 Positive (n = 617) 95 (15.4) 200 (32.4) 286 (46.4) 36 (5.8)  
 Negative (n = 660) 118 (17.9) 220 (33.3) 279 (42.3) 43 (6.5)  
House dust mites      0.185
 Positive (n = 384) 53 (13.8) 125 (32.6) 177 (44.2) 29 (6.2)  
 Negative (n = 893) 160 (17.9) 295 (33.0) 388 (43.4) 50 (5.6)  
Pollens      0.569
 Positive (n = 236) 33 (14.0) 79 (33.5) 111 (47.0) 13 (5.5)  
 Negative (n = 1041) 180 (17.3) 341 (32.8) 454 (43.6) 66 (6.3)  
Animal dander      0.388
 Positive (n = 151) 20 (13.2) 46 (30.5) 73 (48.3) 12 (7.9)  
 Negative (n = 1126) 193 (17.1) 374 (33.2) 492 (43.7) 67 (6.0)  
Foods      0.849
 Positive (n = 117) 17 (14.5) 41 (35.0) 53 (45.3) 6 (5.1)  
 Negative (n = 1160) 196 (16.9) 379 (32.7) 512 (44.1) 73 (6.3)  
Cockroach      0.375
 Positive (n = 76) 10 (13.2) 24 (31.6) 34 (44.7) 8 (10.5)  
 Negative (n = 1201) 203 (16.9) 396 (33.0) 531 (44.2) 71 (5.9)  
Fungus      0.997
 Positive (n = 66) 11 (16.7) 21 (31.8) 30 (45.5) 4 (6.1)  
 Negative (n = 1211) 202 (16.7) 399 (32.9) 535 (44.2) 75 (6.2)  
  1. MAST: multiple allergen simultaneous test
  2. *Chi-square test, with P < 0.05 considered significant