At 3 months, 90.5% of patients were “improved” with 88.0% “improved” at 1 year. Although acute patients improved faster by 3 months, 81.8% of chronic patients reported “improvement” with 89.2% “improved” at 1 year.
Outcomes of Acute and Chronic Patients With Magnetic Resonance Imaging–Confirmed Symptomatic Lumbar Disc Herniations Receiving High-Velocity, Low-Amplitude, Spinal Manipulative Therapy: A Prospective Observational Cohort Study With One-Year Follow-Up
NRS is a rating scale 0 being no pain, 10 being excruciating pain. On Ave started at a 5.6 and ended with a 1.4. 5.6 is moderate pain. 1.4 would be minimal pain.
Table 2. Baseline and Outcome Data for All Patients at the Various Time Points
| Baseline Data (148 pts) | 2 Wks (123 pts) | 1 Mo (142 pts) | 3 Mos (137 pts) | 6 Mos (142 pts) | 1 Y (148 pts) | |
|---|---|---|---|---|---|---|
| PGIC | 69.9%, Much better or better | 79.6%, Much better or better | 90.5%, Much better or better | 88.7%, Much better or better | 88.0%, Much better or better | |
| 1.6%, Slightly worse | 1.4%, Slightly worse | 2.1%, Slightly worse or worse | 2.8%, Slightly worse | 2.8%, Worse | ||
| NRS back (mean) | 5.67 (2.98) | 2.94a (2.28) | 2.12a (1.80) | 1.67a (1.71) | 1.50a (1.78) | 1.42a (1.73) |
 Change (SD) |
2.73 (3.00) | 3.59 (2.83) | 4.07 (2.98) | 4.28 (3.14) | 4.35 (3.28) | |
| NRS leg (mean [SD]) | 5.68 (3.12) | 3.00a (2.50) | 2.08a (2.16) | 0.91a (1.48) | 0.94a (1.58) | 0.91a (1.67) |
| Change (SD) |
2.68 (2.93) | 3.20 (2.87) | 4.50 (3.23) | 4.51 (3.23) | 4.87 (3.47) | |
| Oswestry (mean [SD]) | 18.75 (10.24) | 12.86a (6.63) | 10.13a (6.73) | 6.19a (5.08) | 5.25a (5.54) | 4.82a (5.12) |
| Change (SD) |
5.82 (8.87) | 8.29 (9.26) | 12.23 (10.76) | 13.53 (11.69) | 13.92 (11.83) |
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