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Multivariate analyses testing associations with the outcome variable. Significant findings are in bold. |
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| Models |
Variables tested |
OR and 95% CI |
• Sensitivity • Specificity • Numbers correctly classified • Area under the ROC |
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| "Best" Swedish model re-tested, according to previous study |
Leg pain |
1.6 (1.2–2.1) |
41%, 87%, 71.5%, 72% |
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| Duration of pain past yr |
1.1 (0.8–1.6) |
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| Better at 2nd visit |
4.7 (3.4–6.6) |
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| "Full" Swedish model, i.e. including significant variables that had been included in previous study |
Leg pain |
1.5 (1.1–2.0) |
47%, 83%, 71%, 72% |
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| Duration of pain past yr |
1.2 (0.8–1.7) |
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| Better at 2nd visit |
4.7 (3.4–6.6) |
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| Duration of pain at base-line |
1.0 (0.7–1.3) |
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| Immediate improvement |
1.3 (1.0–1.7) |
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| Improved Swedish model, i.e. removing irrelevant variables from the model above |
Leg pain |
1.6 (1.2–2.2) |
41%, 87%, 72%, 71% |
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| Better at 2nd visit |
4.8 (3.5–6.8) |
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| Final minimal Swedish model, i.e. retaining the "best" variable |
Better at 2nd visit |
4.9 (3.6–6.8) |
68%, 69%, 69%, 69% |
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| Full Finnish model, i.e. allowing for the three new variables included in the present study |
Leg pain |
1.4 (1.0–2.0) |
52%, 83%, 73%, 73% |
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| Duration of pain past yr |
1.1 (0.8–1.6) |
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| Better at 2nd visit |
5.0 (3.5–7.1) |
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| Duration of pain at base-line |
0.9 (0.7–1.3) |
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| Immediate improvement |
1.2 (0.9–1.6) |
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Malmqvist et al. Chiropractic & Osteopathy 2008 16:13 doi:10.1186/1746-1340-16-13 |
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