Optimalisatie van de werkingsprocessen van het Bijzonder ... - KCE

KCE Reports 133 Special Solidarity Fund 107
9.3 REPRESENTATIVENESS OF THE SAMPLE
Overall, the representativeness of the sample increases over the years from more than
half of the demands introduced in 2004 to over three quarters of the demands
introduced in 2008 (see table 13). The evolution of the number of demands between
2004 and 2008 is generally mirrored in the SSF sample, with the exception of 2008
where the decline is less pronounced in the sample.
Table 13: Number of demands in the SSF annual reports and in the SSF
sample by year (introduction date).
Number of demands Number of demands Percentage
Year SSF (annual report) SSF (sample) sample/total
2004 3529 2040 57.81%
2005 2945 1737 58.98%
2006 2402 1569 65.32%
2007 2524 1831 72.54%
2008 2376 1811 76.22%
The representativeness of the SSF sample is somewhat less when it concerns the
decision taken (see figure 17). For the accepted demands, a decline in the number of
demands between 2004 and 2008 was reported by the SSF (see also table 13). In the
SSF sample, the pattern is different with a decline between 2004 and 2006, but an
increase from 2007 onwards. This suggests that the representativeness of the SSF
sample for accepted demands varies between years. For the declined demands, the SSF
sample follows the SSF evolution more closely.
Figure 15: Number of demands (bottom panels) and number of patients (top
panels) in function of the decision taken by year (decision date).
When viewed by who took the decision to accept or reject the demand, we find a less
pronounced increase in representativeness over the years, except for the demands
treated by an SSF physician (see figure 16). Overall however, the SSF sample follows
the same evolution in number of demands as the SSF in total.