Typhoid fever and its sequelae / by Louis I. Dublin.

  • Dublin, Louis I. (Louis Israel), 1882-1969.
Date:
1914
Catalogue details

Licence: Public Domain Mark

Credit: Typhoid fever and its sequelae / by Louis I. Dublin. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    DISTRIBUTION BY AGE AND SEX OF 1,428 PERSONS WHO RECOVERED FROM TYPHOID FEVER. Visiting Nurse Service, 1911, Metropolitan Life Insurance Company. Males and females. Males. Age period. Number. Per cent. Females. Under 10 j 500 35.0 239 232 68 30 14 9 261 10-19 525 198 102 36.8 13.9 7.1 293 20-29 30-39 130 72 40-49 68 ' 4.8 35 2.5 54 26 Total—all ages 1,428 100.0 592 836 Per cent, of total—-by sex 100.0 41.5 58.5 tality actually experienced in 1911 by the Company in the Industrial De- partment should serve as the measure of the expected deaths for the cor- responding group of these persons who had recovered from typhoid fever in 1911 for the first year after recovery. For the second year after recovery, we employed similar mortality figures for the year 1912 as a standard and for the third year we employed the figures for 1913. In other words, the mortality table used was not an arbitrary measure but exhibited the death- rates which persons of the same sex, color and age among our Industrial policyholders actually experienced. By throwing these rates into the num- ber of years of life of each group in successive years since recovery we obtained the number of expected deaths for each age period. In this way we found, as shown in Table 5, that in the series of 1,428 persons the expected number of deaths was equal to 26.45. As a matter of fact, our record showed 54 actual deaths. The ratio of actual to ex- pected deaths was, therefore, for our entire series, 204 per cent. In other words, more than twice the mortality expected was realized. You will note that the total number of years of life was nearly 3,850 years. A number of persons dropped out, either by death or lapsing their policies during the first, second or third year after recovery. Each such exit from our series involved an adjustment in the number of years of life exposed to risk, by taking the proportionate part of a year from the date of recovery to the date of exit. In this way, every day of experience was used. For- tunately, the fullness of the Company's record made this much desired 4