Table 1. Case ascertainment of the ALS cases in Southern Germany compared by different statistical procedures of capture-recapture methods.
| CARE – Estimation Method | Case ascertainment: | ||
| Estimated ALS cases in ALS registry Swabia | |||
| Observed ALS cases: | Missing | CARE | Included interaction terms |
 = 438 |
(%) |
|
(data sources) |
| Log Linear Model | 18.9 | 539.9 | SD = 13.1 |
| (1)*(2); (1)*(3); (1)*(4); (1)*(5); (2)*(3); (2)*(4); (2)*(5); (3)*(4); (3)*(5); (4)*(5) | |||
| Alternative approaches: | |||
| Peterson Estimates | 21.1 | 555 | (1)*(2); (1)*(3); (1)*(4); (1)*(5) |
| Schnabel/Chapman Estimates | 25.3 | 586 | (1)*(2); (1)*(3); (1)*(4); (1)*(5); (2)*(5); (3)*(5); (4)*(5) |
| 25.6 | 589 | (1)*(2); (1)*(3); (1)*(4) | |
| Chapman Estimates | 26.0 | 592 | (1)*(2); (1)*(3); (1)*(4); (1)*(5); (2)*(5); (3)*(5); (4)*(5) |
| 15.8 | 520 | (1)*(2); (1)*(3); (1)*(4); (1)*(5); (3)*(5); (4)*(5) | |
| Schnabel modificated Estimates | 35.7 | 681 | (1)*(2); (1)*(3); (1)*(4); (1)*(5); (2)*(5); (3)*(5); (4)*(5) |
| 24.5 | 580 | (1)*(2); (1)*(3); (1)*(4); (1)*(5); (3)*(5); (4)*(5) | |
Abbreviations:
estimated total number; SD Standard Deviation; CARE capture-recapture Methods.