Influence of PET on Clinical Stage
| Effect | UCLA Medical Center (n = 133) | NCPIC (n = 141) | P | Total (n = 274) |
|---|---|---|---|---|
| Upstaged | 31 (23) | 48 (34) | 0.07 | 79 (29) |
| Downstaged | 17 (13) | 25 (18) | 0.34 | 42 (15) |
| No change in stage | 80 (60) | 59 (42) | 0.004 | 139 (51) |
| Question not answered | 5 (4) | 9 (6) | 0.48 | 14 (5) |
Probability value indicates difference in distribution of stage changes between referring physicians at the 2 institutions. Values in parentheses are percentages.