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TABLE 1

Demographics and Clinical Characteristics of Patient Population

CharacteristicTotal (n = 1906)Preintervention Period (n = 959)Intervention Period (n = 947)P
Age, y, median (IQR) 6.0 (3.1–9.8) 6.4 (3.3–10.1) 5.5 (2.9–9.6) .003 
Male sex, n (%) 997 (52.4) 500 (52.1) 497 (52.7) .80 
Fever, n (%) 1242 (65.2) 645 (67.3) 597 (63.0) .05 
Hypoxia, n (%)     
 Pulse oxygen not performed 1155 (60.7) 918 (95.7) 237 (25.1) <.001 
 Normal oxygen saturation, ≥92% 729 (38.3) 38 (4.0) 691 (73.2) .08 
 Abnormal oxygen saturation or hypoxic, <92% 19 (1.0) 3 (0.3) 16 (1.7)  
Asthma, n (%) 324 (17.0) 151 (15.7) 173 (18.3) .14 
Wheezing, n (%) 373 (19.6) 173 (18.1) 200 (21.2) .09 
Immunizations up to date, n (%) 1734 (91.0) 869 (90.6) 865 (91.3) .04 
Receipt of influenza vaccination, n (%) 1048 (55.0) 512 (53.4) 536 (56.6) <.001 
Medication allergy, n (%) 222 (13.8) 88 (13.1) 134 (14.2) .52 
 Penicillin 163 (11.6) 59 (9.2) 104 (11.0) <.001 
 Macrolide 10 (0.5) 5 (0.5) 5 (0.5) .98 
 Cephalosporin 39 (2.0) 21 (2.2) 18 (1.9) .66 
 Vancomycin 2 (0.1) 1 (0.1) 1 (0.1) .99 
 Penicillin and cephalosporin 9 (0.5) 6 (0.6) 3 (0.3) .33 
 Penicillin and macrolide 1 (0.1) 0 (0.0) 1 (0.1) .31 
CharacteristicTotal (n = 1906)Preintervention Period (n = 959)Intervention Period (n = 947)P
Age, y, median (IQR) 6.0 (3.1–9.8) 6.4 (3.3–10.1) 5.5 (2.9–9.6) .003 
Male sex, n (%) 997 (52.4) 500 (52.1) 497 (52.7) .80 
Fever, n (%) 1242 (65.2) 645 (67.3) 597 (63.0) .05 
Hypoxia, n (%)     
 Pulse oxygen not performed 1155 (60.7) 918 (95.7) 237 (25.1) <.001 
 Normal oxygen saturation, ≥92% 729 (38.3) 38 (4.0) 691 (73.2) .08 
 Abnormal oxygen saturation or hypoxic, <92% 19 (1.0) 3 (0.3) 16 (1.7)  
Asthma, n (%) 324 (17.0) 151 (15.7) 173 (18.3) .14 
Wheezing, n (%) 373 (19.6) 173 (18.1) 200 (21.2) .09 
Immunizations up to date, n (%) 1734 (91.0) 869 (90.6) 865 (91.3) .04 
Receipt of influenza vaccination, n (%) 1048 (55.0) 512 (53.4) 536 (56.6) <.001 
Medication allergy, n (%) 222 (13.8) 88 (13.1) 134 (14.2) .52 
 Penicillin 163 (11.6) 59 (9.2) 104 (11.0) <.001 
 Macrolide 10 (0.5) 5 (0.5) 5 (0.5) .98 
 Cephalosporin 39 (2.0) 21 (2.2) 18 (1.9) .66 
 Vancomycin 2 (0.1) 1 (0.1) 1 (0.1) .99 
 Penicillin and cephalosporin 9 (0.5) 6 (0.6) 3 (0.3) .33 
 Penicillin and macrolide 1 (0.1) 0 (0.0) 1 (0.1) .31 

IQR, interquartile range.

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