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

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London County Council 1961

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

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Table (viii)— Infant mortality by cause, 1952-61

(Rates per 1,000 live births)

Cause of death1952195319541955195619571958195919601961
Whooping cough0.080.270.060.060.040.02-0.050.05-
Tuberculosis0.040.140.080.020.030.03
Measles0.060.020.10-0.03
Bronchitis and pneumonia3.894.042.703.573.322.883.453.503.633.18
Gastro-enteritis0.801.270.430.480.350.420.310.270.160.30
Congenital malformations3.933.413.513.433.703.964.514.754.323.94
Injury at birth2.822.712.342.592.642.982.272.462.552.81
Post-natal asphyxia and atelectasis3.503.904.064.323.664.174.083.593.633.61
Haemolytic disease0.720.530.550.580.610.510.440.510.540.37
Immaturity4.203.983.704.674.104.274.693.863.713.85
Convulsions0.020.02
Accidental mechanical suffocation0.170.140.120.060.210.230.130.160.090.13
Other causes2.963.403.043.352.552.562.603.262.773.10
All causes23242123212222222121

Mortality—A comparison with England and Wales for both neo-natal (deaths in the first four weeks) and infant mortality (deaths in the first year) is as follows:

Year(Rates per 1,000 live births) Neo-natal mortalityInfant mortality
LondonEngland and WalesLondonEngland and Wales
195215.818.323.127.6
195316.117.723.926.8
195415.117.720.725.4
195516.717.323.224.9
195615.916.821.223.8
195716.316.522.023.1
195816.616.222.522.5
195915.715.822.422.2
196015.415.621.521.7
196115.915.521.421.6

As regards neo-natal mortality there were 953 deaths in London; of this number 597
occurred in premature infants. An analysis of the total number of premature births by
birth weight and mortality is shown in the following table. Corresponding figures of
domiciliary confinements are shown in the section on domiciliary midwifery on
page 53.

Table (ix)— Prematurity and mortality by birth weight, 1961.

WeightNumberProportion per 100 live premature infantsDied within 24 hoursSurvived 28 days
NumberPer 100 live premature infantsNumberPer 100 live premature infants
3 lb. 4 oz. or less61413.323538.327144.1
3 lb. 5 oz. to 4 lb. 6 oz.81117.5739.067182.7
4 lb. 7 oz. to 4 lb. 15 oz.94520.4202.189694.8
5 lb. 0 oz. to 5 lb. 8 oz.2,26348.8241.12,19897.1
All premature babies4,633100.03527.64,03687.1