Full cohort (n = 170) Full cohort (n = 170) Children with 1+ pathogen isolation (n = 101) Children with 1+ pathogen isolation (n = 101) Children without pathogen isolation (n = 69) Children without pathogen isolation (n = 69)
p-valuea
Demographics n (%) n (%) n (%)
Age at tracheostomy placement in months (median, [IQR]) 4.1 [3.2, 5.3] 4.4 [3.5, 5.2] 3.9 [3.1, 5.6] 0.27
Male sex 93 (54.7%) 53 (52.5%) 40 (58.0%) 0.48
Primary insurance type Public
Private
Uninsured
97 62 11 (57.1%) (36.5%) (6.5%) 48 46 7 (47.5%) (45.5%) (6.9%) 49 16 4 (71.0%) (23.2%) (5.8%)
0.007
Race White
Black
Otherb
96 45 29 (56.5%) (26.5%) (17.1%) 62 25 14 (61.4%) (24.8%) (13.9%) 34 20 15 (49.3%) (29.0%) (21.7%)
0.24
Hispanic ethnicity 2 (1.2%) 0 (0%) 2 (2.9%) 0.16
Clinical Characteristics
Number of complex chronic condition categoriesc Median, [IQR]
By category
1-3
4-5
6-7
8-9
10+
5 39 77 39 12 3 [4, 6] (22.9%) (45.3%) (22.9%) (7.1%) (1.8%) 5 18 49 20 11 3 [4, 6] (17.8%) (48.5%) (19.8%) (10.9%) (3.0%) 4 21 28 19 1 0 [3, 6] (30.4%) (40.6%) (27.5%) (1.5%) (0%) 0.04e 0.02
Home ventilator used 115 (67.6%) 75 (74.3%) 40 (58.0%) 0.03
Number of cultures obtained per child (median, [IQR]) 10 [3, 17] 12 [7, 18] 4 [2, 13] <0.001