Table 1.

Baseline and Procedural Characteristics According to AHR in Patients With a RCA Culprit Lesion

	AHR <60 (n=233)	60 ≤ AHR ≤79 (n=682)	80 ≤ AHR ≤99 (n=422)	AHR ≥100 (n=123)	P Value (All)
Age, y	61.3 (54.1–70.1)	59.9 (52.4–69.2)	58.4 (51.7–67.8)	60.9 (52.6–68.6)	0.051
Male	76.8% (179/233)	74.6% (509/682)	77.3% (326/422)	72.4% (89/123)	0.60
Hypertension	53.6% (125/233)	49.4% (337/682)	55.7% (235/422)	60.2% (74/123)	0.06
Hyperlipidemia	45.5% (106/233)	42.8% (292/682)	44.5% (188/422)	40.7% (50/123)	0.78
Smoking	64.5% (149/231)	69.4% (471/679)	70.6% (296/419)	65.9% (81/123)	0.36
Diabetes mellitus	16.3% (38/233)	10.9% (74/682)	17.5% (74/422)	23.6% (29/123)	<0.001
Prior myocardial infarction	11.2% (26/233)	11.3% (77/682)	11.4% (48/422)	13.8% (17/123)	0.87
Prior percutaneous coronary intervention	12.4% (29/233)	11.1% (76/682)	10.0% (42/422)	9.8% (12/123)	0.76
Prior coronary artery bypass grafting	1.7% (4/233)	2.9% (20/682)	1.2% (5/422)	1.6% (2/123)	0.23
History of congestive heart failure	1.7% (4/233)	2.8% (19/682)	3.8% (16/422)	2.4% (3/123)	0.48
Peripheral vascular disease	4.7% (11/233)	4.8% (33/682)	4.5% (19/421)	7.3% (9/123)	0.64
History of renal insufficiency	2.1% (5/233)	3.2% (22/682)	2.4% (10/421)	4.1% (5/123)	0.63
Atrial fibrillation or flutter	1.7% (4/233)	1.3% (9/682)	1.4% (6/422)	4.1% (5/123)	0.17
Baseline medications
β‐Blockers	22.0% (51/232)	21.2% (144/680)	20.1% (85/422)	17.1% (21/123)	0.71
Calcium channel blockers	7.8% (18/232)	12.1% (82/680)	10.0% (42/422)	13.8% (17/123)	0.19
Symptom onset to balloon, min	200.0 (139.0–286.0)	221.0 (157.0–308.0)	230.0 (158.0–332.0)	300.0 (189.0–454.0)	<0.0001
Cardiogenic shock	1.3% (3/233)	0.4% (3/682)	0.0% (0/422)	4.1% (5/123)	<0.0001
Left ventricular ejection fraction <40%	3.6% (7/194)	3.5% (21/592)	6.1% (22/361)	15.5% (16/103)	<0.0001

Values are shown as % (n/N) or median (interquartile range). AHR indicates admission heart rate; RCA, right coronary artery.