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Table 1 Descriptive statistics of the procedures, patients, and SSI

From: Association between the frequency of surgeries for video-assisted thoracic surgery and the incidence of consequent surgical site infections: a retrospective observational study based on national surveillance data

Total no. of procedures (from 2014 to 2018) among the 74 departments 26,878  
 Video-assisted thoracic surgery 21,154  
 Open thoracic surgery 5724  
 Emergency surgery 1569  
Mean age 62.1 (0–97)
Male sex (%) 17,615 (65.5)
Incidence of SSI, N (%) 335 (1.25)
Type of SSI, N (%)
 Superficial incisional 128 (38.2)
 Deep incisional 45 (13.4)
 Organ/space 162 (48.4)
Type of specimen
 Superficial/deep incisional site drainage 102  
 Organ/space drainage 97  
 Sputum 12  
 Blood 7  
 Respiratory specimen 6  
 Other drainage 2  
 Tissue 1  
 Other 3  
Causative pathogens
 MRSA 64  
 MSSA 54  
Streptococcus spp. 17  
Pseudomonas aeruginosa 14  
Corynebacterium spp. 12  
 CNS 10  
Staphylococcus epidermidis 7  
Enterococcus faecalis 6  
Escherichia coli 4  
Klebciella pneumoniae 4  
 Others 26  
 Polymicrobial 30  
  1. CNS central nervous system, MRSA Methicillin-resistant Staphylococcus aureus, MSSA methicillin-susceptible Staphylococcus aureus, SSI surgical site infections