Table 2

Details of patients with no rescue PTCA, successful rescue PTCA, and unsuccessful rescue PTCA

Total (n=197)	“No rescue” group (n=41)	TIMI 2/3 rescue group (n=135)	TIMI <2 rescue group (n=21)	p Value ^2-151
Age (years) (mean (SD))	63.8 (10.9)	61.8 (10.8)	63.5 (9.4)	0.48^2-150
Male (n=137)	26 (63%)	94 (70%)	17 (81%)	0.57^2-160
Female (n=60)	15 (37%)	41 (30%)	4 (19%)	0.37^2-160
Time from onset of symptoms to lab (min) (mean (SD))	375 (13)	491 (421)	470 (226)	0.74^2-150
Time from onset of lysis to lab (min) (mean (SD))	190 (70)	238 (168)	264 (217)	0.63^2-150
“Out of hours” (5 pm to 9 am)	22 (54%)	72 (53%)	11 (52%)	0.96^2-160
Patients transferred from neighbouring CCUs (n=91)	20 (46%)	76 (57%)	15 (68%)	0.45^2-160
PTCA for reinfarction	8 (19.5%)	3 (2.2)	0 (0%)	0.49^2-160
In-hospital CABG	6 (14.6%)	2 (1.5%)	2 (9.5%)	0.03^2-160
PTCA for postinfarct angina	1 (2.4%)	0 (0%)	0 (0%)	NA
Hospital mortality (n=21; 10.7%)	3 (7.3%)	8 (6.0%)	10 (45%)	< 0.001^2-160

↵2-151 TIMI 2/3 rescue PTCA v TIMI <2 rescue PTCA.
↵2-150 Student t test;
↵2-160 χ² test.
CABG, coronary artery bypass grafting; CCU, coronary care unit; PTCA, percutaneous transluminal coronary angioplasty; TIMI, thrombolysis in myocardial infarction trial.