Outcomes
| KPIs | Preintervention | Postintervention | Difference | P 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) | 3 | 1 | −1.85 (95% CI −3.39 to −0.31) | 0.021 |
| Referral to treatment time (days) | 71 | 46 | −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.