Table 3.
Adjusted Mean PROM and Pain Scores: Intention-to-Treat Analysis a
| SPT Group | PTA Group | P Value | |
|---|---|---|---|
| Preoperative | |||
| iHOT-33 | 40.4 (34.4-46.4) | 38.5 (32.1-44.9) | .664 |
| mHHS | 63.9 (59.6-68.3) | 62.8 (58.2-67.5) | .740 |
| NAHS | 64.7 (60.3-69.2) | 63.1 (58.3-67.9) | .626 |
| HOS-ADL | 73.7 (69.3-78.2) | 70.1 (65.4-74.9) | .282 |
| HOS-SS | 42.3 (34.8-49.7) | 42.9 (34.9-50.9) | .911 |
| VAS | 5.0 (4.3-5.8) | 5.4 (4.6-6.2) | .546 |
| 3 mo | |||
| iHOT-33 | 60.1 (54.0-66.2) | 42.3 (35.7-48.9) | <.001 b |
| mHHS | 77.0 (72.6-81.5) | 64.4 (59.6-69.3) | <.001 b |
| NAHS | 76.1 (71.5-80.6) | 65.6 (60.7-70.5) | .002 b |
| HOS-ADL | 80.6 (76.1-85.1) | 71.4 (66.5-76.3) | .007 b |
| HOS-SS | 44.0 (36.4-51.5) | 46.0 (37.8-54.2) | .720 |
| VAS | 2.8 (2.0-3.5) | 5.0 (4.2-5.9) | <.001 b |
| 6 mo | |||
| iHOT-33 | 69.7 (63.7-75.7) | 56.7 (50.2-63.3) | .004 b |
| mHHS | 80.8 (76.4-85.1) | 73.5 (68.7-78.3) | .029 b |
| NAHS | 82.7 (78.2-87.2) | 73.0 (68.1-77.9) | .004 b |
| HOS-ADL | 85.4 (80.9-89.9) | 78.1 (73.2-82.9) | .030 b |
| HOS-SS | 63.2 (55.7-70.7) | 50.4 (42.2-58.5) | .024 b |
| VAS | 2.4 (1.6-3.1) | 3.6 (2.7-4.4) | .038 b |
| 12 mo | |||
| iHOT-33 | 76.5 (70.4-82.5) | 64.7 (58.3-71.2) | .010 b |
| mHHS | 84.5 (80.0-88.9) | 78.5 (73.8-83.3) | .074 |
| NAHS | 84.3 (79.8-88.8) | 78.4 (73.6-83.2) | .081 |
| HOS-ADL | 87.2 (82.7-91.7) | 81.9 (77.1-86.8) | .118 |
| HOS-SS | 71.1 (63.5-78.7) | 59.7 (51.6-67.7) | .045 b |
| VAS | 2.3 (1.5-3.0) | 2.8 (2.0-3.6) | .401 |
| 24 mo | |||
| iHOT-33 | 75.5 (69.4-81.6) | 70.2 (63.6-76.9) | .255 |
| mHHS | 85.8 (81.3-90.2) | 81.0 (76.2-85.8) | .157 |
| NAHS | 85.4 (80.8-89.9) | 81.4 (76.5-86.4) | .253 |
| HOS-ADL | 89.8 (85.3-94.4) | 84.2 (79.3-89.1) | .101 |
| HOS-SS | 75.4 (67.8-83.1) | 70.0 (61.7-78.2) | .339 |
| VAS | 2.4 (1.6-3.2) | 2.6 (1.7-3.4) | .780 |
a
Data are presented as mean (95% CI). HOS-ADL, Hip Outcome Score–Activities of Daily Living; HOS-SS, Hip Outcome Score–Sports Subscale; iHOT-33, International Hip Outcome Tool-33; mHHS, modified Harris Hip Score; NAHS, Non-Arthritic Hip Score; PROM, patient-reported outcome measure; PTA, physical therapy alone; SPT, surgery and physical therapy; VAS, visual analog scale.
b
Significant difference between groups (P < .05).