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Table 1 Characteristics of 30 patients presenting for elective bariatric surgery

From: ClearSight™ finger cuff versus invasive arterial pressure measurement in patients with body mass index above 45 kg/m2

Characteristic Description
Weight, (kg) median (IQR) 146 (133 to 151)
BMI category (kg/m2) n (%)
 45.0–49.9 14 (47)
 50.0–54.9 7 (23)
 55.0–59.9 5 (17)
  ≥ 60.0 4 (13)
Diagnosis of hypertension n (%) 10 (33)
Ethnicity n (%)
 Caucasian 28 (93)
 Aboriginal or Torres Strait Islander 2 (7)
Type of laparoscopic surgery n (%)  
 Sleeve gastrectomy 10 (33)
 Roux-en-y gastric bypass 10 (33)
 Single anastomosis gastric bypass 5 (17)
 Remove gastric band and convert to gastric bypass 4 (13)
 Removal of gastric band 1 (3)
Right mid-arm circumference (cm), mean ± SD (range) 47.2 ± 6.3 (35–61)
Left mid-arm circumference (cm), mean ± SD (range) 46.4 ± 5.7 (38–58)
Right arm conicity index, mean ± SD (range) 14.9 ± 5.0 (4.9–24.3)
Left arm conicity index, mean ± SD (range) 15.3 ± 4.4 (8.5–22.7)
Vasopressor total dose
 Metaraminol (mg), median (IQR) (n = 13) 3.5 (2.0 to 6.2)
 Phenylephrine (mcg), median (IQR) (n = 9) 955 (450 to 2210)
 Ephedrine (mg), individual value presented 6