Table 3. Association of TARH and confounding variables with death shown in the full regression model and in the robust regression models stratified by NIHSS – Salvador, Bahia, Brazil, 2021.

Variables	Model 1 (n = 237) OR (CI 95%)	Model 2 (n = 166) OR (CI 95%)	Model 3 (n = 71) OR (CI 95%)
AT > 4.5h	0.48 (0.22 – 1.08)	1.46 (0.41 – 5.22)	0.33 (0.11 – 0.98)
Age ≥ 60 years	2.04 (0.91 – 4.60)	1.60 (0.34 – 7.47)	2.75 (1.09 – 6.94)
Female Sex	1.72 (0.91 – 3.25)	2.87 (0.77 – 10.76)	1.18 (0.64 – 2.16)
Not having been admitted at the UAVC	1.46 (0.83 – 2.55)	0.54 (0.10 – 3.02)	1.18 (0.68 – 2.05)
To have atrial fibrillation	2.08 (1.19 – 3.62)	3.28 (1.05 – 10.31)	1.64 (1.01 – 2.68)
Prior Rankin 3 to 5	2.32 (1.32 – 4.07)	5.71 (2.14 – 15.26)	1.21 (0.67 – 2.18)
AIC	183.6114	83.27629	86.77243

Model 1 = Complete (Gross); Model 2 = stratified by NIHSS ≤ 13; Model 3 = stratified by NIHSS ≥ 14.