|
|
2007 Statistics
| Initial Specimens |
71,501 |
| Total Specimens |
76,899 |
|
Disorder
|
Number of Confirmed Cases in 2007
|
 Prevalence Rate* |
|
Phenylketonuria
|
6
|
1 : 15,691
|
|
Galactosemia
|
2
|
1 : 56,074
|
|
Biotinidase Deficiency
|
0
|
1 : 128,091
|
|
Congenital Adrenal Hyperplasia
|
2
|
1 : 15,764
|
|
Congenital Hypothyroidism
|
47
|
1 : 2,846
|
|
Cystic Fibrosis
|
10
|
1 : 4,410
|
|
Sickling Disorders (SS, SC, S-Beta thal)
|
20
|
1 : 3,222
|
|
Fatty Acid Oxidation
|
4 MCAD
1 SCAD
1 VLCAD
1 CUD
|
1: 10,105
|
|
Organic Acidemia
|
1 3MCC
14 2MBCD
1 b-KT
|
1: 7,238
|
*Prevalance rates listed are cumulative for all years of screening and include all Wisconsin births.
Causes of Unsatisfactory Specimens
All specimens are judged for acceptability. Those not acceptable are reported as "Unsatisfactory". The following table lists the most common causes of unsatisfactory specimens for the last 4 years
|
Reason
|
2004
No. - %
|
2005
No. - %
|
2006
No. - %
|
2007
No. - %
|
| Blood clots on surface |
287 - 32%
|
426 - 45%
|
445 - 40.4%
|
367 - 35%
|
| Incomplete saturation |
210 - 23%
|
179 - 19%
|
237 - 21.5%
|
263 - 25%
|
| Filter paper damaged |
113 - 12%
|
127 - 13%
|
137 - 12.4%
|
147 - 14%
|
| Blood layered on surface |
122 - 13%
|
100 - 11%
|
82 - 7.4%
|
70 - 7%
|
| Blood applied on both sides |
8 - 0.8%
|
4 - 0.4%
|
1 - 0.1%
|
3 - <0.1%
|
| Sample delayed (> 7 days) |
19 - 2%
|
9 - 1.0%
|
52 - 4.7%
|
28 - 3%
|
| Contamination |
57 - 6%
|
58 - 6.2%
|
53 - 4.8%
|
83 - 8%
|
| Blood on tan cover |
27 - 3%
|
22 - 2.3%
|
23 - 2.1%
|
40 - 4%
|
| QNS to complete testing |
2 - 0.2%
|
3 - 0.3%
|
10 - 0.9%
|
25 - 2%
|
| Other |
61 - 8%
|
12 - 1.3%
|
62 - 5.6%
|
16 - 2%
|
| Total Unsatisfactory Percent of All Samples |
906 - 1.3%
|
940 - 1.4%
|
1,102 - 1.4%
|
1,042 - 1.4%
|
|
