Table 3. Results for the three clinical outcomes in the PS-matched patient group (n = 788) (modified according to [16]).

Binary outcome
	Clampless OPCAB (n = 394)	cCABG (n = 394)	Odds ratio [95% CI]	p-value
Postoperative death or stroke [n (%)]	6 (1.5)	22 (5.6)	0.27 [0.11; 0.67]	0.005
Continuous outcome
	Clampless OPCAB (n = 394)	cCABG (n = 394)	MD [95% CI]	p-value
Operative time in minutes [mean (SD)]	175 (38)	180 (47)	5 [−1; 11]	0.12
Time-to-event outcome
	Clampless OPCAB (n = 394)	cCABG (n = 394)	Hazard ratio [95% CI]	p-value
Time to death or stroke in follow-up (probability of neither event at one year in %)	94.7	89.8	0.60 [0.35; 1.03]	0.06

cCABG. conventional coronary artery bypass grafting; CI. confidence interval; clampless OPCAB. clampless off-pump coronary artery bypass grafting; MD. mean difference; _PS. propensity score; SD. standard deviation