Table 2.

Procedural Characteristics and Operators' Annual Volume

Variable	Placebo: Total (n=294) Dx (n=187) PCI (n=107)	Verapamil: Total (n=297) Dx (n=191) PCI (n=106)
Right radial artery, %	93.5	95.3
ACS rate, %	31.6	32.7
PCI rate, %	36.4	35.7
Primary PCI rate, %	8.5	9.1
FFR rate, %	3.1	4.7
No. of arterial sheaths, %
1	99.7	99.0
2	0.3	1.0
Arterial sheath size, %
5 French	0.3	1.0
6 French	99.7	98.7
7 French	0.0	0.3
Sheath upgrade for PCI, %	0.7	0.7
6 French to 7 French, %	0.0	0.3
6 French to 7.5 French sheathless, %	0.7	0.3
Total number of catheters (Dx and PCI)/No. of catheter exchanges
1 (%)/0 (%)	24.2	23.0
2 (%)/1 (%)	49.8	42.9
3 (%)/2 (%)	18.0	25.3
≥4 (%)/≥3 (%)	8.0	8.8
No. of catheters during Dx, %
1	22.7	24.1
2	67.0	58.1
3	7.6	13.1
≥4	2.7	4.7
No. of catheters during PCI, %
1	26.9	21.0
2	19.2	15.2
3	36.5	47.6
≥4	17.3	16.2
No. of diseased vessels (%, PCI)
1	43.0	46.2
2	32.7	33.0
3 and/or LM	24.3	20.8
No. of dilated vessels (%, PCI)
1	82.2	85.8
2	14.0	11.3
3 and/or LM	3.7	2.8
Vessel dilated, %
LAD	42.3	48.4
LCX	26.2	19.4
RCA	27.7	26.6
D, IM	2.3	3.2
LM	1.5	1.6
Bypass graft	0.0	0.8
Lesion characteristics (%, PCI)
A	6.2	3.2
B	38.5	40.3
C	55.4	56.5
Thrombus aspiration (%, PCI)	19.6	11.3
Other adjunctive devices during PCI	Not applicable	Not applicable
Operator's annual volume
Total number of procedures, median (IQR)	467 (467 to 633)	467 (467 to 572)
Percent radial procedure, median (IQR)	92.9 (84.2 to 96.6)	92.9 (84.2 to 96.6)
PCI per year, median (IQR)	210 (210 to 262)	210 (210 to 262)
Percent radial PCI, median (IQR)	94.9 (79.8 to 95.2)	94.9 (80.8 to 95.2)

Dx indicates diagnostic procedures (including fractional flow reserve [FFR] estimation without percutaneous coronary intervention [PCI]); ACS, acute coronary syndrome; LM, left main artery; LAD, left anterior descending artery artery; LCX, left circumflex artery; RCA, right coronary artery; D, diagonal branch; IM, intermediate artery.