|
|
2002 Statistics
Initial Samples |
67,435 |
Total Samples |
71,634 |
Disorder |
Number of Confirmed Cases in 2002 |
 Prevalence
Rate* |
PKU |
4 |
1
: 15,880 |
Galactosemia |
0 |
1
: 57,507 |
Biotinidase Deficiency |
1 |
1
: 100,034 |
Congenital Adrenal Hyperplasia
|
1 |
1
: 13,189 |
Congenital Hypothyroidism |
30 |
1
: 3,464 |
Cystic Fibrosis |
18 |
1
: 4,338 |
Sickling Disorders(SS, SC, S-Beta
thal) |
19 |
1
: 3,297 |
Fatty Acid Oxidation |
10 |
1:
7,754 |
Organic Acidemia |
11 |
1:
8,459 |
*Prevalance rates listed
are cumulative for all years of screening and include all Wisconsin
births.
Causes of Unsatisfactory Samples
All samples are judged for
acceptability. Those not acceptable are reported as "Unsatisfactory".
The following table lists the most common causes of unsatisfactory
samples for the last 3 years
Reason |
2000
No. - % |
2001
No. - % |
2002
No. - % |
| Blood clots on surface |
322 - 28% |
294 - 31.1% |
306 - 31% |
| Incomplete saturation |
311 - 27% |
240- 25.4% |
286 - 28% |
| Filter paper damaged |
216 - 19% |
142 - 15% |
126 - 12% |
| Blood layered on surface |
76 - 7% |
91 - 9.6% |
122 - 12% |
| Blood applied on both sides |
6 - 0.5% |
4 - 0.4% |
12 - 1% |
| Sample delayed by mail |
17 - 1.5% |
20 - 2.2% |
24 - 2% |
| Contamination |
77 - 7% |
63 - 6.7% |
63 - 7% |
| Blood on tan cover |
26 - 2% |
19 - 2% |
29 - 3% |
| QNS to complete testing |
4 - 0.3% |
3 - 0.3% |
0 - 0% |
| Other |
100 - 8% |
68 - 7.2% |
44 - 4% |
Total Unsatisfactory
Percent of All Samples |
1155 - 100%
1.7% |
944 - 100%
1.3% |
1001 - 100%
1.4% |
|
