Table 3.
Prognostic score for lost to follow-up outcome according to a multivariate analysis of the derivation cohort
| Variables | β | Se (β) | p-value | ORa | 95% CIb | Scorec | |
|---|---|---|---|---|---|---|---|
|
Country of origin |
Immigrant |
0.71 |
0.330 |
0.031 |
2.03 |
(1.06 - 3.88) |
1 |
|
Living situation |
Alone |
0.85 |
0.410 |
0.037 |
2.35 |
(1.05 - 5.26) |
1 |
| |
Institution |
1.56 |
0.515 |
0.002 |
4.79 |
(1.74 - 13.14) |
2 |
|
Previous treatment |
Yes |
1.03 |
0.395 |
0.009 |
2.80 |
(1.29 - 6.08) |
2 |
|
Understanding |
Poor |
1.07 |
0.363 |
0.003 |
2.93 |
(1.44 - 5.98) |
2 |
|
Intravenous drug use |
Yes |
2.25 |
0.642 |
<0.001 |
9.51 |
(2.70 - 33.47) |
4 |
| Unknown | 0.64 | 0.306 | 0.034 | 1.90 | (1.04 - 3.47) | 1 |
aOR: odds ratio.
bCI: Confidence interval.
β: Regression coefficient.
Se: Standard error.
cRegression coefficient divided by the lowest value coefficient (0.64), rounded to the nearest whole number; used to determine the point value assigned to each independent predictor.