Table 2.

Preoperative description of comparison group PSM 2

Variables	Group 1 (n=24)	Group 3 (n=30)	Difference (effect value)	p
Male gender:
n/%	17/71	16/53	OR — 0.5
95% CI	51–85	36–70	RD — 18%	0.263
Age (years):
Me [Q1; Q3]	45 [38; 52]	50.50 [46.25; 56.50]	PMe — 5.7
M±SD	45.19±9.78	51.23±8.83	SMD — 0.64	0.084
Days from the event to operation:
Me [Q1; Q3]	35 [6; 212]	141.0 [48.75; 754.50]	PMe — 106.0
M±SD	422.0±1009.84	562.86±838.71	SMD — 0.15	0.087
Weight (kg):
Me [Q1; Q3]	77.50 [61.25; 94.50]	74.0 [67.0; 88.25]	PMe — 0.98
M±SD	79.41±22.74	79.83±19.33	SMD — 0.02	0.919
Height (cm):
Me [Q1; Q3]	172.0 [166.50; 178.75]	172 [166; 176]	PMe — 1.0
M±SD	172.64±8.48	171.59±8.88	SMD — 0.12	0.634
Connective tissue diseases:
n/%	5/21	9/30	OR — 1.6
95% CI	9–40	17–48	RD — 9%	0.540
Marfan syndrome:
n/%	5/21	1/3	OR — 0.1
95% CI	9–40	1–17	RD — 18%	0.078
Previous cardiac surgery:
n/%	4/17	4/13	OR — 0.8
95% CI	7–36	5–30	RD — 3%	>0.999
Complicated aortic dissection:
n/%	12/50	9/30	OR — 0.4
95% CI	31–69	17–48	RD — 20%	0.167