London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
Willesden 1902
[Report of the Medical Officer of Health for Willesden]
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(8)
The following tables well illustrate the truth of
this statement:—
TABLE No. 3.
| Mean duration of Membrane. | Fatality Rate per cent. | |||
|---|---|---|---|---|
| 1901. | 1902. | 1901. | 1902. | |
| Cases injected on 1st day | 3 days. | 3.6 days | Nil. | Nil. |
| „ „ 2nd „ | 4 „ | 4 | 3.7 | 3.3 |
| „ „ 3rd „ | 5.6 „ | 4.7 „ | 10.3 | |
| „ after 3rd ,, | 7.3 „ | 59 „ | 15.3 | |
TABLE No. 4.
| Duration of Membrane. | Fatality Rate per cent. | |
|---|---|---|
| 1901. | 1902. | |
| All cases up to 5 days | 2.7 | 3.7 |
| 6 | 3.8 | 60 |
| Cases in which it lasted 6 days | 7.1 | 16.6 |
| „ „ „ 7 days and over | 211 | 22.9 |
Where the site of the membrane was faucial only,
the fatality rate was 3.7 per cent.; where it was
faucial and nasal, the rate was 21.1 per cent.; where
faucial, nasal, and laryngeal, 30 per cent.