London's Pulse: Medical Officer of Health reports 1848-1972

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London County Council 1896

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

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10
In previous annual reports it has been shown that a more accurate estimate of the effect on the
community of fluctuations of mortality could be obtained by the use of a " life table " and the following
figures, calculated from the Ex and Qx columns of the life table for London, 1881-90,* were utilized
for this purpose—

Table I.Mean future lifetime of males and females in groups of ages (calculated from London lifetables, 1881-90.)

Age groups.Males.Females.Age groups.Males.Females.
Tears.Years.Years.Years.
0—490652.6935—24.1927.24
5—489452.6845—18.1520.57
10—45-0548.8055—12.9514.56
15—40-7944.5565—8.899.78
20—36-7040.3975—6.356.74
25—310434.5185 and upwards2.752.85

By comparing the mean deaths occurring at each age-period in 1891-6 with the deaths which
would have occurred at these age-periods if the death-rates of 1881-90 had still been maintained, the
difference between the two sets of figures will be the number of lives gained or lost at each age-period
by fluctuations of mortality, and by applying to these differences the figures in the preceding table the
actual gain or loss may be expressed in " life capital."

The result of this process is shown in the following table— Table II.

Age groups.Deaths calculated according to mean rates 1881-90.Mean deaths occurring in the six years 1891-6.Mean annual gain (+) or loss (—) of lives in the six years 1891-6 by fluctuations of mortality.Mean annual gain (+) or Ions (—) oflife capital "in the Fix years 1891-6 by fluctuat ions of mortality.
Males. 0—18,69518,239+ 456+22,371
5—1,3741,229+ 145+ 7,096
10—618546+ 72+ 3,244
15—820756+ 64+ 2,611
20—1,083980+ 103+ 3,780
25—2,9612,673+ 288+ 8,940
35—3,7793,678+ 101+ 2,443
45—4,2404,218+ 22+ 399
55—4,1894,249— 60— 777
65—4,0324,020+ 12+ 107
75—2,2512,233+ 18+ 114
85 and upwards461432+ 29+ 80
All ages44,50343,253+ 1,250+50,408
Females. 0—16,37615,891+ 485+25,555
5—1,3631,289+ 74+ 3,898
10—623561+ 62+ 3,026
15—806714+ 92+ 4,099
20—1,058917+ 141+ 5,695
25—2,6862,395+ 291+ 10,042
35—3,2033,116+ 87+ 2,370
45—3,4553,426+ 29+ 597
55—3,8763,955— 79— 1,150
65—4,6954,666+ 29+ 284
75—3,4583,479— 21— 142
85 and upwards982961+ 21+ 60
All ages42,58141,370+ 1,211+54,334
Total87,08484,623+ 2,46]+ 104,742

* See Annual Report of the Medical Officer of Health, 1893, pp. 10.