TABLE 3

Characteristics of Children With Bronchiolitis Hospitalized at Children’s Hospital Colorado (January 2013–April 2014) by Parent-Reported Marijuana and Cigarette Exposure

VariablesCigarette Data Cohort (N = 98)Marijuana Data Cohort (N = 56)
No Cigarette Exposure (n = 93)Cigarette Exposure (n = 5)PNo Marijuana Exposure (n = 49)Marijuana Exposure (n = 7)P
n (%)n (%)n (%)n (%)
IL-6 cytokine.07
 Nondetectable23 (24.7)1 (20.0).7515 (30.6)0 (0.0)
 Low47 (50.5)2 (40.0)20 (40.8)6 (85.7)
 High23 (24.7)2 (40.0)14 (28.6)1 (14.3)
TNF-α cytokine.03
 Nondetectable32 (34.4)2 (40.0).6119 (38.8)0 (0.0)
 Low38 (40.9)1 (20.0)17 (34.7)6 (85.7)
 High23 (24.7)2 (40.0)13 (26.5)1 (14.3)
IL-13 cytokine.26
 Nondetectable86 (93.5)5 (100.0).5647 (95.9)6 (85.7)
 High6 (6.5)0 (0.0)2 (4.1)1 (14.3)
IFN-γ cytokine.29
 Nondetectable82 (88.2)5 (100.0).4142 (85.7)7 (100.0)
 High11 (11.8)0 (0.0)7 (14.3)0 (0.0)
Follow-up visit for asthma or reactive airway disease.49
 No66 (91.7)2 (50.0).0533 (89.2)4 (100.0)
 Yes6 (8.3)2 (50.0)4 (10.8)0 (0.0)
Parental report of wheezing more than twice in 1 wk in follow-up.98
 No62 (86.1)2 (50.0).1228 (75.7)3 (75.0)
 Yes10 (13.9)2 (50.0)9 (24.3)1 (25.0)
Albuterol prescribed by provider in follow-up visit.23
 No56 (77.8)2 (50.0).2027 (73.0)4 (100.0)
 Yes16 (22.2)2 (50.0)10 (27.0)0 (0.0)