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Mean, standard deviation (σ), minimum, maximum, and range values for occurrence (O), severity (S), detectability (D), and RPN values for 127 standard IMRT and intensity-modulated ART steps.
| Standard IMRT | Intensity-modulated ART | |||||||
|---|---|---|---|---|---|---|---|---|
| O | S | D | RPN | O | S | D | RPN | |
| Mean ± σ | 5 ± 1 | 7 ± 1 | 6 ± 1 | 188 ± 60 | 4 ± 2 | 7 ± 1 | 6 ± 2 | 174 ± 105 |
| Minimum | 2 | 3 | 2 | 46 | 1 | 3 | 1 | 11 |
| Maximum | 7 | 9 | 8 | 366 | 8 | 9 | 9 | 441 |
| Range | 5 | 6 | 6 | 320 | 7 | 6 | 8 | 430 |
