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Table 2 Reporting of the different components of the intervention intended or actually administered

From: Quality of reporting internal and external validity data from randomized controlled trials evaluating stents for percutaneous coronary intervention

Reporting of

n = 132 (%)

Intervention as intended

121 (91.7)

Intervention as actually administered

98 (74.2)

Component of the intervention described

 

   Anesthesia management

1 (0.9)

   Access site (i.e. transfemoral access site)

21 (15.9)

   Data on equipment (i.e., guide catheters, wires)

28 (21.2)

   Data on stent

99 (75.0)

Left to operator's discretion

5 (3.8)

Description of the device (i.e., length, component)

74 (56.1)

Manufacturer

83 (62.9)

   Procedural characteristics

98 (74.2)

Number of stents implanted

73 (55.3)

Use of dilatation balloon

59 (44.7)

Number of inflations

9 (6.8)

Duration of inflation

12(9.1)

Number attempted and successfully treated

12 (9.1)

Procedure duration

8 (6.1)

   Co-interventions

124 (93.9)

Setting

 

   Secondary setting

1 (0.8)

   Tertiary or academic setting

18 (13.6)

   Not reported

113 (85.6)

Center

 

   Single

24 (18.2)

   Multicentre

63 (47.7)

   Not reported or unclear

45 (34.1)

Centers

 

   Stratification on centers

10 (7.6)

   Number of centers (median, Q1 to Q3)

15.4 (1–22)

   List of participating centers

45 (34.1)

   Center volume reported

2 (1.5)

   Source of equipment reported

1 (0.8)

   Specific equipment required

0

Operators

 

   Selection criteria for operators

5 (3.8)

   Number of operators (median, Q1 to Q3)

5.5 (5–6)

   Number of patients treated by each operator

0

Clustering effect taken into account

0