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Table 2 Univariable and multivariable logistic regression to evaluate the probability of administering antibiotics with vs without swab and the other severalrisk factors

From: Usefulness of rapid molecular tests in pediatric respiratory tract infections

N   No Antibiotic Antibiotic Univariable Multivariable
  157 229 OR CI95% p OR CI95% p
Swab (n,%)
 Yes   131 61.8 81 38.2 1      
 No   26 14.9 148 85.1 9.21 5.6-15.2 <0.001 29.28 13.5-63.5 <0.001
Age in months ( mean, SD) 42 36 47 39 1.00 1.0-1.0 0.266    
Class of age
 <12 months   69 45.1 84 54.9 1      
 >12 months   88 37.8 145 62.2 1.4 0.9-2.0 0.152    
Sex (n,%)
 Female   75 42.6 101 57.4 1 0.8-1.7 0.478    
 Male   82 39.0 128 61.0 1.0      
N symptoms (median, Q1-Q3) 3 2-4 4 3-5 2.0 1.6-2.5 <0.001 0.97 0.7-1.4 0.854
Symptoms (n,%)
 Fever >38° no 29 41.4 41 58.6 1      
yes 128 40.5 188 59.5 1.0 0.6-1.8 0.887    
 Rhinitis no 74 44.3 93 55.7 1      
yes 83 37.9 136 62.1 1.3 0.9-2.0 0.204    
 Earache no 150 41.9 208 58.1 1      
yes 7 25.0 21 75.0 2.2 0.9-5.2 0.086 4.4 0.9-21.6 0.069
 Pharyngitis no 93 45.8 110 54.2 1      
yes 64 35.0 119 65.0 1.6 1.0-2.4 0.031 2.75 1.5-5.2 0.002
 Cough no 56 40.6 82 59.4 1      
yes 101 40.7 147 59.3 1.0 0.7-1.5 0.978    
 Lower respiratory tract symptoms no 153 44.5 191 55.5 1      
yes 4 9.5 38 90.5 7.6 2.7-21.8 <0.001 16.27 4.0-66.0 <0.001
 Loss of appetite no 90 46.6 103 53.4 1      
yes 67 34.7 126 65.3 1.6 1.1-2.5 0.017 1.01 0.5-1.9 0.977
 Vomit no 155 45.9 183 54.1 1      
yes 2 4.2 46 95.8 19.5 4.7-81.5 <0.001 19.71 4.8-81.3 <0.001
 Diarrhea no 151 44.8 186 55.2 1      
yes 6 12.2 43 87.8 5.8 2.4-14.0 <0.001 6.29 2.0-20.0 0.002
Hospitalization (n,%) no 72 76.6 22 23.4 1      
yes 85 29.1 207 70.9 8.0 4.6-13.8 <0.001 8.39 3.4-21.0 <0.001