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Table 2 Operative and postoperative data of obese and normal groups classified by BMI or VFA

From: Impact of visceral obesity on operative outcomes of laparoscopic nephrectomy: comparison between visceral fat area and body mass index

Variable BMI normal BMI obese p VFA normal VFA obese p
Pts 71 25   42 54  
Insufflation time, min (r; 97–270) 172.6 ± 36.4 181.4 ± 34.1 0.304 165.9 ± 29.2 182.1 ± 39.2 0.028
Blood loss, ml (r; 0–500) 54.1 ± 72.4 93.9 ± 124.7 0.057 34.6 ± 27.8 88.3 ± 113.1 0.003
Specimen weight, g (r; 69–757) 320.3 ± 139.9 460.4 ± 154.0 < 0.001 255.5 ± 101.6 437.8 ± 144.1 < 0.001
Time to oral intake, days (r; 1.25–2.75) 1.7 ± 0.2 1.7 ± 0.3 0.911 1.7 ± 0.3 1.6 ± 0.3 0.408
Time to ambulation, days (r; 1–2) 1.0 ± 0.1 1.0 ± 0.2 0.428 1.0 ± 0.2 1.0 ± 0.0 0.114
Postoperative stay, days (r; 4–21) 9.8 ± 2.3 10.0 ± 3.3 0.824 10.3 ± 3.0 9.5 ± 2.2 0.170
  1. Data are presented as mean ± standard deviation
  2. BMI body mass index, VFA visceral fat area