Table 2: Differences in time-to-surgery* (only patients who underwent bariatric surgery were included in the analysis (n = 724)*
CharacteristicMedian (IQR)
time-to-surgery, d
p value
Sex0.04†
Male446(327−580)
Female409(293−525)
Substance use0.009†
Yes557(522−630)
No413(294−532)
BMI, kg/m20.4
   35−39418(275−605)
   40−49412(297−520)
   50−59414(293−540)
≥ 60444(334−532)
Age, yr0.2
   19−29414(337−599)
   30−39404(307−527)
   40−49410(276−527)
   50−59415(293−515)
≥ 60473(351−567)
Distance, km0.4
      0−25405(272−520)
     25−50417(271−533)
     50−100422(312−535)
   100−200438(307−558)
   200−300398(308−483)
   300−400450(370−525)
   400−500418(341−523)
> 500474(322−627)
Operational period orientation)< 0.001†
1369(226−519)
2432(335−539)
Operational period (surgery)< 0.001†
1373(164−514)
2381(273−480)
3608(482−784)

Note: BMI = body mass index, IQR = interquartile range.
*The Mann–Whitney test (Kruskal–Wallis test) was used to determine whether 2 (3 or more) populations spent a similar amount of time in the program.
†p < 0.05 was considered statistically significant.