Effect of bivalirudin on myocardial microcirculation and adverse events after interventional therapy in older patients with acute coronary syndrome

Table 2 Comparison of emergency flow times

Group	n	Emergency classification	Diagnostic examination	Perform coronary interventions	Completion of emergency treatment
Observation group	85	1.82 ± 0.35	4.37 ± 1.12	33.96 ± 3.51	41.76 ± 3.92
Control group	80	3.06 ± 0.71	6.58 ± 2.39	40.46 ± 4.33	54.27 ± 4.76
t value	-	14.357	7.677	10.621	18.473
P value	-	< 0.001	< 0.001	< 0.001	< 0.001

Data are mean ± standard deviation and in minutes. Observation group: Patients treated with bivalirudin; Control group: Patients treated with unfractionated heparin.