Pericardial closure with extracellular matrix scaffold following cardiac surgery associated with a reduction of postoperative complications and 30-day hospital readmissions

Table 3 Baseline demographics and comorbidities of RECON and NRD patients after applying IPTW

Characteristic	Valve Replacement					Coronary Artery Bypass Graft Surgery Patients
	NRD (n = 42,269)		RECON (n = 392)		Standardized Difference^a	NRD (n = 57,364)		RECON (n = 866)		Standardized Difference^a
	n or Mean	% or SD	n or Mean	% or SD	Standardized Difference^a	n or Mean	% or SD	n or Mean	% or SD	Standardized Difference^a
Age, mean (SD)	66.16	13.46	65.68	13.15	0.04	64.87	10.27	64.97	10.04	0.01
Female, n (%)	15,984	37.81	148	38.22	0.01	13,557	23.63	207	23.50	0.00
Prior cerebrovascular accident, n (%)	2577	6.10	21	5.54	0.02	3421	5.96	49	5.58	0.02
Congestive heart failure^a, n (%)	16,957	40.12	160	41.48	0.03	12,705	22.15	183	20.71	0.04
Chronic obstructive pulmonary disease, n (%)	5237	12.39	46	11.81	0.02	8585	14.97	136	15.45	0.01
Diabetes mellitus, n (%)	10,996	26.01	88	22.67	0.08	26,161	45.61	394	44.61	0.02
Prior myocardial infarction^a, n (%)	2661	6.30	28	7.26	0.04	9359	16.31	148	16.74	0.01
Chronic renal failure^a, n (%)	7016	16.60	53	13.77	0.08	9279	16.18	143	16.20	0.00
Hypertension, n (%)	29,900	70.74	280	72.40	0.04	47,650	83.07	738	83.62	0.01
Hypercholesterolemia^a, n (%)	23,026	54.47	212	54.97	0.01	43,844	76.43	711	80.54	0.10
Smoking, n (%)	10,260	24.27	87	22.45	0.04	14,803	25.81	213	24.13	0.04
Prior percutaneous coronary intervention^a, n (%)	3228	7.64	25	6.42	0.05	10,036	17.49	199	22.56	0.13

SD standard deviation
^aAbsolute value of the standardized difference > 0.1 is considered a large imbalance

ISSN: 1749-8090