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Table 1 Characteristics (quantiles and moments) of incidence rates per 100,000, for rates for persons, males and females, and male to female rate ratio

From: A systematic review of the incidence of schizophrenia: the distribution of rates and the influence of sex, urbanicity, migrant status and methodology

 

n s (n r )

10%

25%

Median

75%

90%

Mean

s

m h

Persons

55 (170)

7.7

10.2

15.2

22.0

43.0

23.7

30.3

15.9

Males

31 (100)

6.6

11.4

15.0

24.8

34.1

21.8

27.4

16.2

Females

31 (100)

3.0

6.3

10.0

21.8

30.2

21.3

45.1

11.3

Male to female rate ratio

31 (100)

0.9

1.1

1.4

1.8

2.4

1.5

0.6

1.4

  1. n s , number of studies; n r , number of rates; s, standard deviation; m h , harmonic mean of the rates.