[Report of the Medical Officer of Health for London County Council] page 46

London County Council 1912

[Report of the Medical Officer of Health for London County Council]

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46
Annual Report of the London County Council, 1912.
Influenza —
seasonal distribution,
1891-1912,

Table: The distribution of deaths (a) from influenza throughout the year (b)for each of the years 1891 to 1912 is shown in the following table:-

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The distribution of deaths (a) from influenza throughout the year (b)for each of the years 1891 to 1912 is shown in the following table:-

No. of weeks.	1891	1892	1893	1894	1895	1896	1897	1898	1899	1900	1901	1902	1903	1904	1905	1906	1907	1908	1909	1910	1911 (c)	1912 (c)
1— 4	9	1,308	52	272	59	37	40	244	66	1,016	57	77	141	67	94	56	291	87	61	112	61	56
5— 8	7	637	96	96	164	58	55	368	259	298	75	224	103	62	119	44	186	276	90	151	77	101
9-12	8	119	162	69	1,343	61	94	193	430	130	134	298	89	74	119	98	104	424	430	98	57	67
13—16	29	42	180	56	257	50	121	140	302	172	102	89	54	62	75	129	81	209	257	64	51	32
17—20	770	33	125	32	106	50	96	61	121	105	81	58	46	40	56	105	48	94	85	41	39	46
21—24	1,044	22	72	27	35	33	54	51	82	57	30	35	37	21	38	40	41	36	46	16	15	22
25—28	242	15	49	19	28	17	26	25	42	16	21	20	25	17	16	21	25	28	34	11	11	9
29—32	51	7	23	17	14	15	18	27	27	12	18	7	18	5	4	20	14	15	15	9	10	14
33-36	32	9	23	20	17	10	13	10	11	11	11	16	6	9	11	15	18	12	10	17	6	15
37—40	13	6	18	14	15	12	19	17	19	15	12	13	17	24	22	18	19	21	15	29	17	16
41—44	15	20	28	29	22	27	29	46	55	17	23	35	13	92	39	35	42	30	31	25	40	48
45—48	35	18	152	41	47	56	35	49	61	55	44	65	44	98	44	86	39	45	56	75	46	39
49—52	81	28	546	58	49	56	71	52	342	46	56 .	99	51	138	52	228	59	57	86	75	66	70

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Phthisis.
The deaths from phthisis, fully corrected for institutions, in the Administrative County of
London during 1912 (52 weeks) numbered 6,069, including acute miliary tuberculosis, as compared
with 6,084 in 1911 (52 weeks.
Phthisis
death-rates,
London,
1851-1912.

Table: The death-rates from this disease in successive periods have been as follows:-

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The death-rates from this disease in successive periods have been as follows:-

Period.	Death-rate per 1,000 persons living.	Period.	Death-rate per 1,000 persons living.
1851-1860	2.86	1904	1.67c
1861-1870	2.84	1905	1.45c
1871-1880	2.51	1906	1.50c
1881-1890	2.08	1907	1.46c
1891-1900	1.79c	1908	l.39c
1901-1910	1.49c	1909	1.40c
		1910	1.25c
1901	1.65c	1911	1.35cd
1902	1.61.c	1912	1.35cd
1903	1.57c

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The phthisis death-rate since 1850 (corrected for differences in the age constitution of the
population) in relation to the mean death-rate of the period 1851-1912 (males and females) is shown
in diagram (W).
This diagram shows the marked decline of phthisis mortality in both sexes, the greater incidence
of such mortality on males than on females, and the fact that until recent years the decline has been
more manifest in females than in males. Since the year 1910 the deaths from phthisis have been more
fully corrected (d) than in previous years, and the increased incidence of phthisis shown in the last two
years may be partly or wholly accounted for by this fact.
Phthisis
death-rates
in London
boroughs.

Table: The following table shows the crude phthisis death-rate ; and the rate corrected for differences in the age and sex constitution of the population of the various sanitary districts. The factors for correction, also shown in the table, have been calculated by applying the 1911 census population at each age and for each sex of each of the London sanitary districts to the death-rates at each age and for each sex obtaining in England and Wales during the decennium 1901-1910:-

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The following table shows the crude phthisis death-rate ; and the rate corrected for differences in the age and sex constitution of the population of the various sanitary districts. The factors for correction, also shown in the table, have been calculated by applying the 1911 census population at each age and for each sex of each of the London sanitary districts to the death-rates at each age and for each sex obtaining in England and Wales during the decennium 1901-1910:-

Metropolitan borough.	Factor for correction for age and sex distribution.	Crude death-rate.		Corrected death-rate.		Comparative mortality figure. (London 1,000.)
Metropolitan borough.	Factor for correction for age and sex distribution.	1907-11.	1912.	1907-11.	1912.	1907-11.	1912.
London	0.9628	1.36	1.35	1.31	1.30	1,000	1,000
Paddington	0.9198	1.08	0.87	0.98	0.80	748	616
Kensington	0.9217	0.99	1.07	0.92	0.98	702	754
Hammersmith	0.9510	1.20	1.35	1.14	1.28	870	985
Fulham	0.9779	1.32	1.35	1.29	1.32	985	1,015
Chelsea	0.9151	1.47	1.30	1.35	1.19	1,030	915
Westminster, City of	0.8422	1.28	1.17	1.08	0.98	825	754
St. Marylebone	0.8932	1.33	1.26	1.19	1.13	908	869
Hampstead	0.9021	0.70	0.64	0.63	0.58	481	446
St. Pancras	0.9322	1.60	1.58	1.49	1.47	1,137	1,131

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(a) See footnote (6), page 33. (b) The deaths occurring in the 53rd week of the years 1890, 1896,
1902 and 1908, which are not shown, numbered 1, 14, 37 and 16 respectively. (c) See footnote (c), page 4.
(d) Including miliary tuberculosis, which would probably bo 2 per cent. of the total cases.

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London County Council 1912

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Table: The distribution of deaths (a) from influenza throughout the year (b)for each of the years 1891 to 1912 is shown in the following table:-

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Table: The death-rates from this disease in successive periods have been as follows:-

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