Appendix S
The Practice Success Prescription: Team-Based Veterinary Healthcare Delivery by Drs. Leak. Morris Humphries
Thomas E. Catanzaro, DVM, MHA, FACHE, DACHE
Calculating Sigma |
Yield (%) |
DPMO |
Sigma (F) |
6.68 |
933,200 |
0 |
10.56 |
894,400 |
0.25 |
15.87 |
841,300 |
0.50 |
22..66 |
773,400 |
0.75 |
30.85 |
691,500 |
1 σ |
40.13 |
598,700 |
1.25 |
50.00 |
500,000 |
1.50 |
59.87 |
401,300 |
1.75 |
69.15 |
308,500 |
2 σ |
77.34 |
226,600 |
2.25 |
84.13 |
158,700 |
2.50 |
89.44 |
105,600 |
2.75 |
93.32 |
66,800 |
3 σ |
95.99 |
40,100 |
3.25 |
97.73 |
22,700 |
3.50 |
98.78 |
12,200 |
3.75 |
99.38 |
6200 |
4 σ |
99.565 |
4350 |
4.125 |
99.70 |
3000 |
4.25 |
99.795 |
2050 |
4.375 |
99.87 |
1300 |
4.5 |
99.91 |
900 |
4.625 |
99.94 |
600 |
4.75 |
99.96 |
400 |
4.875 |
99.977 |
230 |
5 σ |
99.982 |
180 |
5.125 |
99.987 |
130 |
5.25 |
99.992 |
80.00 |
5.375 |
99.997 |
30.00 |
5.50 |
99.99767 |
23.35 |
5.625 |
99.99833 |
16.70 |
5.75 |
99.999 |
10.05 |
5.875 |
99.99966 |
3.4 |
6 σ |