Quality Management 2017
S TANDARDIZE
5. IMRT QC results (portal dosimetry) monitored with SPC
- Head-and-neck treatments -
pecial cause: TPS : changement of algo. version
ORL P1 IUPESM Nouvelles limites APRES chgt algo
N ° contrôle
100
• In daily practice at ICL :
99
Control charts
98
97
Process under control < 5% points out of limits
96
98 Moving-Range (%) Individual value. (%) EWMA (%) 99 100 101 0 95 0 Moyenne parpatient du%de points ayantun gamma < 1 0,4 0,8 1,2 1,6 2,0 2,4 2,8
ORL P1 IUPESM Nouvelles limites APRES chgt algo
50
100
150
200
250
Performance indicators
Date
Stable ou superior
1
Process under control and statistically capable
ORL P1 IUPESMNouvelles limites APRES chgt algo
50
100
150
200
250
Moyenneparpatientdu%depointsayantungamma<
Date
S pecial cause identified
• dispersion • mean
Performance indicators
New limits
0,0
03/10/17
42
0
50
100
150
200
250
Made with FlippingBook - Online Brochure Maker