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Table 4 Associations of blood type with in-hospital mortality in TBAD patients

From: Non-O blood group is associated with lower risk of in-hospital mortality in non-surgically managed patients with type A aortic dissection

Subgroup

Blood type

Surviving

Non-surviving

HR (95% CI)

TBAD

Non-O

269 (57.7%)

15 (51.7%)

0.803 (0.387–1.666)

 

O

197 (42.3%)

14 (48.3%)

 

TBAD, Stent-graft

Non-O

81 (61.4%)

0

0.008 (0.000–8.813)

 

O

51 (38.6%)

6 (100%)

 

TBAD, Non-stent-graft

Non-O

188 (56.3%)

15 (65.2%)

1.684 (0.686–4.134)

 

O

146 (43.7%)

8 (34.8%)

 
  1. Values are based on Cox proportional hazards models. Data are presented as number (percentage). Results are shown as the hazard ratio (95% confidence interval). In the models, O-type was set as the reference
  2. TBAD Stanford type B aortic dissection, HR hazard ratio, 95% CI 95% confidence interval