Table. Pain Response Over Time by Treatment Group.
| Group | Patients, No. (%) | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 Weeks | 1 Month | 3 Months | 6 Months | 9 Months | |||||||||||
| Single Fx | Multifx | P Value | Single Fx | Multifx | P Value | Single Fx | Multifx | P Value | Single Fx | Multifx | P Value | Single Fx | Multifx | P Value | |
| Intent-to-Treat Population | |||||||||||||||
| Responders (CR + PR) | 34 of 81 (42) | 19 of 79 (24) | .03 | 36 of 81 (44) | 24 of 79 (30) | .18 | 31 of 81 (38) | 17 of 79 (21) | .05 | 19 of 81 (23) | 17 of 79 (21) | .89 | 17 of 81 (21) | 12 of 79 (15) | .06 |
| Nonresponders (PP + IR) | 21 of 81 (26) | 33 of 79 (42) | 17 of 81 (21) | 20 of 79 (25) | 12 of 81 (15) | 18 of 79 (23) | 9 of 81 (11) | 11 of 79 (14) | 5 of 81 (6) | 14 of 79 (18) | |||||
| Per-Protocol Treated Population | |||||||||||||||
| Responders (CR + PR) | 34 of 55 (62) | 19 of 52 (36) | .01 | 36 of 44 (68) | 24 of 44 (45) | .21 | 31 of 43 (72) | 17 of 35 (49) | .03 | 19 of 28 (68) | 17 of 28 (61) | .78 | 17 of 22 (77) | 12 of 26 (46) | .04 |
| Nonresponders (PP + IR) | 21 of 55 (38) | 33 of 52 (64) | 36 of 44 (68) | 20 of 44 (45) | 12 of 43 (28) | 18 of 35 (51) | 9 of 28 (32) | 11 of 28 (39) | 5 of 22 (23) | 14 of 26 (54) | |||||