Volume 11, Number 2—February 2005
Research
Sporadic Cryptosporidiosis Decline after Membrane Filtration of Public Water Supplies, England, 1996–2002
Stella Goh*, Mark Reacher†
, David P. Casemore‡, Neville Q. Verlander§, André Charlett§, Rachel M. Chalmers¶, Margaret Knowles#, Anthony Pennington*, Joy Williams*, Keith Osborn**, and Sarah Richards††
, David P. Casemore‡, Neville Q. Verlander§, André Charlett§, Rachel M. Chalmers¶, Margaret Knowles#, Anthony Pennington*, Joy Williams*, Keith Osborn**, and Sarah Richards††Table A3
Admissions to hospital by age and sex
| Characteristics | Before membrane filtration |
After membrane filtration |
Before and after membrane filtration |
||||||
|---|---|---|---|---|---|---|---|---|---|
| March 1, 1996–February 29, 2000 |
March 1, 2000–August 31, 2002 |
March 1, 1996–August 31, 2002 |
|||||||
| Total | Admitted | % | Total | Admitted | % | Total | Admitted | % | |
| Female | |||||||||
| <1–5 y | 34 | 5 | 15 | 7 | 1 | 14 | 41 | 6 | 15 |
| 6–15 y | 22 | 2 | 9 | 4 | 1 | 25 | 26 | 3 | 12 |
| Total >1–15 y | 56 | 7 | 13 | 11 | 2 | 18 | 67 | 9 | 13 |
| Male | |||||||||
| <1–5 y | 53 | 14 | 26 | 2 | 0 | 0 | 55 | 14 | 25 |
| 6–15 y | 25 | 2 | 8 | 3 | 1 | 33 | 28 | 3 | 11 |
| Total <1–15 y | 78 | 16 | 21 | 5 | 1 | 20 | 83 | 17 | 20 |
| F and M | |||||||||
| <1–5 y | 87 | 19 | 22 | 9 | 1 | 11 | 96 | 20 | 21 |
| 6–15 y | 47 | 4 | 9 | 7 | 2 | 29 | 54 | 6 | 11 |
| Total <1–15 y | 134 | 23 | 17 | 16 | 3 | 19 | 150 | 26 | 17 |
