Table 2.

Angiographic and procedural characteristics of the studied groups.

	Normal flow (TIMI = 3) (n = 228)	No reflow (TIMI <3) (n = 172)	P-value
Angiographic characteristics
Culprit artery			0.71
LAD	124 (54.4%)	92 (53.5%)
LCX	26 (11.4%)	16 (9.3%)
RCA	78 (34.2%)	64 (37.2%)
Type of occlusion			<0.001∗∗
Total	172 (75.4%)	156 (90.7%)
Subtotal	56 (24.6%)	16 (9.3%)
Site of occlusion			0.004∗
Proximal	108 (47.4%)	100 (58.1%)
Distal	120 (52.6%)	68 (39.5%)
Mid segment	0 (0%)	4 (2.3%)
Lesion length (mm)	23.12 ± 9.21	27.83 ± 10.27	0.001∗
Number of vessels			0.56
1	124 (54.4%)	96 (55.8%)
2	52 (22.8%)	32 (18.6%)
3	52 (22.8%)	44 (25.6%)
Thrombus burden (heavy)	80 (35.1%)	140 (81.4%)	<0.001∗∗
Procedural Characteristics
Vascular access
Radial	36 (15.8%)	28 (16.3%)	0.89
Femoral	192 (84.2%)	144 (83.7%)
Balloon pre-dilatation	116 (50.9%)	100 (58.1%)	0.15
Stent Type
DES	116 (50.9%)	114 (66.3%)	0.002∗
BMS	112 (49.1%)	58 (33.7%)
Number
1	168 (73.3%)	122 (70.9%)	0.07
2	60 (26.3%)	46 (26.7%)
3	0 (0%)	4 (2.3%)
Diameter (mm)	3.15 ± 0.43	3.12 ± 0.55	0.6
Length (mm)	25.7 ± 10.04	30.18 ± 11.48	<0.001∗∗
Thrombus aspiration	80 (35.1%)	140 (81.4%)	<0.001∗∗
GPI	60 (26.3%)	112 (65.1%)	<0.001∗∗
Amount of contrast (ml)	199.12 ± 68.47	228.02 ± 89.27	<0.001∗∗
MBG (Post -PCI)
0	0 (0%)	52 (30.2%)	<0.001∗∗
1	0 (0%)	68 (39.5%)
2	96 (42.1%)	52 (30.2%)
3	132 (57.9%)	0 (0%)

BMS: bare-metal stent; DES: drug-eluting stent; GPI: glycoprotein inhibitor; LAD: left anterior descending artery; LCX: left circumflex artery; MBG: myocardial blush grade; PCI: percutaneous coronary intervention; RCA: right coronary artery; TIMI: thrombolysis in myocardial infarction.

∗Statistically significant difference between two groups (p < 0.05).

∗∗Highly statistically significant difference between two groups (p < 0.001).