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Table 2 Procedural data

From: Surgical outcomes associated with partial upper sternotomy in obese aortic disease patients

  Total Non-obese P1 Obese P2 P3 P4
FMS PUS FMS PUS
Patients, n (%) 493 180 (36.5) 155 (31.5) 88 (17.8) 70 (14.2)   
Catogeries of surgery, n (%)          
 ASA + hemi-arch 54 (11.1) 18 (10.0) 18 (11.6) 0.635 10 (11.4) 8 (11.4) 0.990 0.732 0.968
 ASA + total arch 52 (10.6) 18 (10.0) 17 (11.0) 0.773 9 (10.2) 8 (11.4) 0.809 0.954 0.919
 Root + ASA 80 (16.2) 29 (16.1) 24 (15.5) 0.875 15 (17.0) 12 (17.1) 0.987 0.846 0.753
 Root + ASA + hemi-arch 140 (28.3) 49 (27.2) 45 (29.0) 0.713 26 (29.5) 20 (28.6) 0.894 0.691 0.944
 Root + ASA + total arch 167 (33.8) 66 (36.7) 51 (32.9) 0.471 28 (31.8) 22 (31.4) 0.958 0.435 0.827
Type of procedure, n (%)          
 VSARR 281 (57.0) 104 (57.8) 91 (58.7) 0.912 46 (52.3) 40 (57.1) 0.630 0.433 0.884
 Bentall 106 (21.5) 40 (22.2) 29 (18.7) 0.498 23 (26.1) 14 (20.0) 0.450 0.540 0.855
 VSARR or Bentall + MTBSG 219 (44.4) 84 (46.7) 68 (43.9) 0.660 37 (42.0) 30 (42.9) 1.000 0.515 1.000
 Operation time (min) 290.5 ± 87.5 288.5 ± 97.8 292.8 ± 100.8 0.693 290.9 ± 99.8 295.8 ± 105.8 0.766 0.851 0.839
 Cardiopulmonary bypass (min) 139.8 ± 35.8 138.4 ± 43.9 142.6 ± 41.8 0.373 139.9 ± 45.6 144.4 ± 50.6 0.558 0.796 0.795
 Cross-clamp time (min) 48.9 ± 18.7 48.8 ± 17.8 55.8 ± 26.9 0.006 49.0 ± 16.5 56.0 ± 19.8 0.017 0.930 0.950
 SCP and low body arrest (min) 14.1 ± 4.1 13.8 ± 4.8 14.5 ± 6.9 0.290 14.1 ± 8.8 14.8 ± 7.7 0.601 0.766 0.771
  1. Continuous variables are confirmed normally distributed and are expressed as mean ± SD, categorical variables are expressed as number (%). Chi-square or Fisher test for categorical variables and t test for continuous variables
  2. P1, P2: P value of FMS group versus PUS group in non-obese and obese patients, respectively
  3. P3, P4: P value of non-obese patients versus obese patients in FMS and PUS group, respectively
  4. ASA ascending aorta, SCP selective cerebral perfusion, VSARR valve-sparing aortic root replacement, MTBSG modified triple-branched stent-graft, SD standard deviation