Table 2

Comparison of length of hospital stay and the rate of post-operative complications in the two cohorts

2007–2016
(n=75)
2017–2021
(n=204)
P value
Hospital stay, days, median (P25–P75)7 (6–10)9 (7–11)0.007
Post-operative complications
 Missing0 (0.0%)1 (0.5%)0.041
 Yes14 (18.7%)63 (30.9%)
Dindo–Clavien classification
 Missing0 (0.0%)16 (7.8%)0.258
 I5 (6.7%)9 (4.4%)
 II8 (10%)19 (9.3%)
 III1 (1.3%)13 (6.3%)
 IV0 (0.0%)3 (1.4%)
 V0 (0.0%)3 (1.4%)
  • Length of hospital stay is significantly longer after centralization and the rate of post-operative complications is significantly increased with mainly an increase in grade III complications according to the Dindo–Clavien classification.