Table 3.

Airway intervention success including orotracheal, nasotracheal, and rapid sequence intubation. Unadjusted odds ratios are presented for selected comparisons only.

Procedure	Successful/subgroup total (n=2852)	% successful; 95% CI	Univariate odds ratio (95%CI)
Endotracheal Intubation	2,314/2,852	81.1; 79.7–82.6	N/A
Clinical Condition
Non-arrest medical	1,074/1,278	84.0; 80.9–86.0	Referent
Cardiac arrests	695/920	75.5; 72.6–78.3	0.59 (0.48–0.73)
Non-arrest injury	545/654	83.3; 80.3–86.1	0.95 (0.74–1.23)
Age
Age 0–1 month	415/481	86.3; 82.9–89.2	1.22 (0.89–1.67)
Age 1–12 months	431/598	72.1; 68.3–75.6	0.50 (0.39–0.64)
Age 1–5 years	306/370	82.7; 78.5–86.4	1.13 (0.85–1.50)
Age 5–11 years	251/297	84.5; 80.0–88.4	0.92 (0.67–1.28)
Age 11–17 years	700/835	83.8; 81.2–86.3	Referent
Rapid Sequence Intubation	379/408	92.9; 90.0–95.2	N/A
Population Setting
Urban	1,776/2,171	81.8; 80.1–83.4	Referent
Rural	222/299	74.3; 68.9–79.1	0.64 (0.48–0.85)
Suburban	153/194	78.9; 0.72–0.84	0.83 (0.59–1.51)
Wilderness	41/52	78.9; 65.3–88.9	0.83 (0.42–1.63)
US census region
South	1,124/1,426	78.2 (76.6–80.9)	Referent
Midwest	576/675	85.3 (82.4–87.9)	1.61 (1.26–2.08)
Northeast	407/507	80.3 (76.5–83.7)	1.20 (0.93–1.55)
West	205/242	84.7 (79.6–89.0)	1.38 (0.95–2.01)
Alternate airways
Combitube	73/84	86.9; 77.8–94.12
Esophageal Obturator	12/21	57.1; 34.0–78.2
Airway
Laryngeal Mask Airway	89/145	61.4; 52.9–69.3
King	80/90	88.9; 80.5–94.5
Cricothyroidotomy (needle and open)	27/30	90; 73.5–97.9

Totals are different than reported in table 1 due to missing data for procedural success. Records not included in analysis if success was not reported. Odds ratios not reported for alternate airways due to low numbers and overlapping missing data for procedural success.