Shape-sensing robotic-assisted bronchoscopy for pulmonary nodules: initial multicenter experience using the Ion™ Endoluminal System

Table 1 Baseline characteristics of subjects (n = 60 subjects)

Variable	Outcome
Age, median, y (IQR)	70.7 (63.1, 76.6)
BMI, median kg/m² (IQR)	25.0 (22.9, 31.6)
Gender, n (%)
Female	35 (58.3)
Male	25 (41.7)
Pretest probability of malignancy, median % (IQR) ^a	46.3 (23.8, 77.3)
ASA class, n (%)
II	14 (23.3)
III	46 (76.7)

IQR interquartile range, BMI body mass index, ASA American Society of Anesthesiologists
^aSwensen’s Formula: low risk < 5%; indeterminate risk 5–65%; high risk > 65%; from reference [9]

ISSN: 1471-2466