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Table 2 Baseline data of the study population and procedures, divided by type of surgical access

From: The value of routine chest radiographs after minimally invasive cardiac surgery: an observational cohort study

  PA MS BV CS p
Patients, n 124 69 56 1102  
Gender, male, n (%) 68 (55) 34 (49) 41 (73) 809 (73) <0.005
Age, years, mean ± SD 68 ± 10 69 ± 12 61 ± 8 69 ± 9 <0.005
Length of ICU stay, days, mean 1.6 (1–9) 1.5 (1–20) 1.1 (1–4) 2.0 (1–66) 0.007
(range)
Length of ICU stay 1 day, n (%) 93 (75) 63 (91) 53 (95) 847 (77) <0.005
Procedures; n (%)
CABG - - - 655 (49) <0.005
CABG with valve surgery - - - 177 (13) <0.005
CABG with rhythm surgery - - - 21 (2) 0.345
Valve surgery 78 (63) 69 (100)   140 (13) <0.005
Valve surgery with aortic surgery - - - 42 (4) 0.016
Valve surgery and rhythm surgery 43 (35) - - 32 (3) <0.005
Aortic surgery - - - 24 (2) 0.230
Rhythm surgery - - 56 (100) - <0.005
Other surgery 3 (2,4) - - 11 (1) 0.389
  1. PA = Port Access; MS = Mini-sternotomy; BV = Bilateral Video Assisted Thoracoscopy; CS = Conventional Sternotomy; n = Number; SD = Standard Deviation; ICU = Intensive Care Unit; IQR = Interquartile Range; CABG = Coronary Artery Bypass Graft; VATS = Video Assisted Thoracoscopy.