Table 1

Outcomes

KPIsPreinterventionPostinterventionDifferenceP value
Cancellations (per month)
DPMO
Sigma level
16 (19%)
190 476
2.4
8 (10%)
95 238
2.8
7.88 (95% CI 2.06 to 13.69)0.010
Patients with repeated preoperative diagnostics (X-thorax, per month)31−1.85 (95% CI −3.39 to −0.31)0.021
Referral to treatment time (days)7146−24.36 (95% CI −33.48 to −15.24)0.000
Patient satisfaction (NPS)14% (n=399)28% (n=546)13.65 (95% CI 4.57 to 22.72)0.005
  • DPMO, Defects per million opportunities; KPIs, key performance indicators; NPS, Net Promoter Score.