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Table 2 Stage 3 (Phase 2) Expert panel ranking exercise results (n = 6)

From: A novel design process for selection of attributes for inclusion in discrete choice experiments: case study exploring variation in clinical decision-making about thrombolysis in the treatment of acute ischaemic stroke

Attribute Mean rank (SD)a Median Suggested levels
Systolic BP 1.67 (1.2) 1 • 140 mm/Hg
• 175 mm/Hg
• 180 mm/Hg
• 185 mm/Hg
• 200 mm/Hg
Pre-stroke dependency status 4 (2.6) 4 • mRS 1
• mRS 2
• mRS 3
• mRS 4
Pre-stroke cognitive status 5.33 (2.6) 5.5 • No impairment
• Mild impairment
• Moderate impairment
• Severe impairment
Stroke Severity (NIHSS) 6.5 (2.9) 7 • NIHSS 2
• NIHSS 3
• NIHSS 5
• NIHSS 23
• NIHSS 25/26/27
SBP (after reducing) 6.6 (4.7) 5 • 185 mm/Hg
• 190 mm/Hg
• 200 mm/Hg
INR/Anticoagulation 6.7 (2.7) 5.5 • < 1.6
• < 1.7
• < 1.8
• 2
Diastolic BP 6.8 (5.2) 6 • 100 mm/Hg
• 110 mm/Hg
• 115 mm/Hg
• 120 mm/Hg
Frailty 6.8 (3.9) 7 • Composite measure using comorbidities, description of needs (i.e., walking stick)
• “patient you [do not] perceive as frail”
Time since symptom onset 7.8 (6.1) 7 • < 1 h
• < 3 h
• 4 h
• 4 h 15/20 mins
Recent major surgery 8.3 (3.6) 7.5 • Percutaneous coronary intervention
• Hip replacement
• Laparotomy
Previous stroke 9.2 (4.3) 10.5 • Combine with stroke severity?
• 2 weeks ago
• 4 weeks ago
• 3 months ago
Comorbidities 9.8 (2.6) 10 • Disability-related
• Chronic disease
• Illness presenting bleeding risk
Blood glucose level (mmol/L) 10.8 (3.1) 11 • 16/19
• 22
• 25
• 27
Patient/relative preferences 11.4 (2.6) 12 • No family present
• Family present and eager for patient to be treated
• Family present and worried about bleeding risk
Willingness to treat blood glucose 11.6 (3.7) 11 • Option to treat before thrombolysis decision
• Option to present already treated level
Patient age 12.7 (5.7) 14.5 • 62/68/75
• 80 / 8585
• 95
Social support 15 (3.1) 16 • Indicator of dependency?
• Use as part of frailty composite measure?
Presence of diabetes 15.4 (2.4) 16 • No history of diabetes
• Patient has diabetes
  1. a Note: Lower mean rank indicates higher perceived importance