|
|
2001 Statistics
| Initial Samples |
67,475 |
| Total Samples |
70,964 |
Disorder |
Number of Confirmed Cases in 2001 |
 Prevalence
Rate* |
| PKU |
1 |
1 : 15,811 |
| Galactosemia |
0 |
1 : 55,260 |
| Biotinidase Deficiency |
0 |
1 : 104,691 |
| Congenital Adrenal Hyperplasia |
2 |
1 : 12,082 |
| Congenital Hypothyroidism |
29 |
1 : 35,42 |
| Cystic Fibrosis |
20 |
1 : 4,299 |
| Sickling Disorders(SS, SC, S-Beta
thal) |
13 |
1 : 3,255 |
| Fatty Acid Oxidation |
9 |
1: 9,128 |
| Organic Acidemia |
5 |
1: 10,787 |
*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 |
1999
No. - % |
2000
No. - % |
2001
No. - % |
| Blood clots on surface |
252 - 21% |
322 - 28% |
294 - 31.1% |
| Incomplete saturation |
313 - 27% |
311 - 27% |
240- 25.4% |
| Filter paper damaged |
215 - 18% |
216 - 19% |
142 - 15% |
| Blood layered on surface |
72 - 6% |
76 - 7% |
91 - 9.6% |
| Blood applied on both sides |
15 - 1% |
6 - 0.5% |
4 - 0.4% |
| Sample delayed by mail |
44 - 4% |
17 - 1.5% |
20 - 2.2% |
| Contamination |
122 - 10% |
77 - 7% |
63 - 6.7% |
| Blood on tan cover |
26 - 2.5% |
26 - 2% |
19 - 2% |
| QNS to complete testing |
2 - 0.5% |
4 - 0.3% |
3 - 0.3% |
| Other |
112 - 10% |
100 - 8% |
68 - 7.2% |
Total Unsatisfactory
Percent of All Samples |
1173 - 100 %
1.6% |
1155 - 100%
1.7% |
944 - 100%
1.3% |
|
