Table 2.

Preexisting Conditions Associated with Mortality Before and After Propensity Matching

			Before Propensity Matching			After Propensity Matching
Cohort	I-10	Condition	Patients	% of Cohort	P-value	Patients	% of Cohort	P-value
1	I10-I16	Hypertensive diseases	31,527	46.1	<0.001	29,941	44.8	0.010
2	I10-I16	Hypertensive diseases	34,736	36.6		30,409	45.5
1	E08-E13	Diabetes mellitus	15,137	22.1	<0.001	14,304	21.4	0.009
2	E08-E13	Diabetes mellitus	17,220	18.1		14,697	22.0
1	E66	Overweight & obesity	13,768	20.1	<0.001	12,367	18.5	0.366
2	E66	Overweight & obesity	12,804	13.5		12,239	18.3
1	I20-I25	Ischemic heart diseases	8,081	11.8	<0.001	7,815	11.7	0.037
2	I20-I25	Ischemic heart diseases	10,086	10.6		8,062	12.1
1	N17-N19	Acute kidney failure & chronic kidney disease	5,689	8.3	<0.001	5,319	8.0	0.992
2	N17-N19	Acute kidney failure & chronic kidney disease	6,098	6.4		4,320	8.0
1	I50	Heart failure	2,765	4.0	<0.001	2,639	3.9	0.544
2	I50	Heart failure	3,209	3.4		2,595	3.9
1	C34	Malignant neoplasm of bronchus & lung	280	0.4	0.080	280	0.4	0.439
2	C34	Malignant neoplasm of bronchus & lung	262	0.4		262	0.4
1	I46	Cardiac arrest	137	0.2	<0.001	110	0.2	0.405
2	I46	Cardiac arrest	107	0.1		98	0.1

Abbreviation: ICD-10, International Statistical Classification of Diseases, Tenth Revision.