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Table 2 Surgical variables and intra-operative findings

From: Initial experience with a synthetic sealant PleuraSeal™ after pulmonary resections: a prospective study with retrospective case matched controls

Variablea Overall PleuraSeal™ Group Control Group p-valueb
  40 20 20  
Surgical diagnosis
Lung cancer 38 (95%) 18 (90%) 20 (100%)  
Lung metastasis 2 (5%) 2 (10%) 0 (0%) 0.48
Operation time (hh:mm) 02:35 03:07 0.07
Lung tissue quality 20 20  
Normal 21 (52%) 10 (50%) 11 (55%)  
Fragile 19 (47.5%) 10 (50%) 9 (45%) 1.00
Procedure
Right lobectomy 19 (47.5%) 7 (35%) 12 (60%)  
Upper 13 (32%) 6 (30%) 7 (35%)  
Middle 0 (0%) 0 (0%) 0 (0%)  
Lower 6 (15%) 1 (5%) 5 (25%)  
Left lobectomy 18 (45%) 11 (55%) 7 (35%)  
Upper 10 (25%) 7 (35%) 3 (15%)  
Lower 8 (20%) 4 (20%) 4 (20%)  
Segmentectomy 2 (5%) 1 (5%) 1 (5%)  
Bilobectomy 1 (2.5%) 1 (5%) 0 (0%) 0.26
Intraoperative air leaks characteristics
Intraoperative leak free (in %)   100% 0% <0.001
Postoperative leak free (in %)c   95% 15% <0.001
Initial # of intraoperative air leaks/patient (Ø)d 1.6 1.6 1.6 1.00
Initial grade of air leaks/patient 1.35 1.3 1.4 0.77
Additional procedure for air leak control 8 2 6  
Suture 8 (20%) 2 (10%) 6 (30%) 0.23
Staple 0 (0%) - - NA
  1. aNumbers in percentage were rounded up were indicated.
  2. bContinuous variables were compared between groups by Students' t-test. Categorical variables were compared using two-sided Fisher's Exact test.
  3. cLeak free at the end of surgery
  4. dBased on Macchiarini scale