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Table 1 Summary of the World Bank Group Data (2017) used in the analysis

From: Global prevalence estimates of three chronic musculoskeletal conditions: club foot, juvenile idiopathic arthritis and juvenile systemic lupus erythematosus

Variable

N

Countries listed in World Bank Group Data

217

Countries with missing UN region data

2

Countries with missing World Bank population data

23

Countries excluded from estimate calculations (data not available)

25

Countries included in analysis

192

Regions listed in UN Statistics Division

5

Sub-regions listed in UN Statistics Division

22

Total population < 5 years old across all countries with population data

Male: Female

6.75 × 10^8

(675,100,000)

1.07:1.00

Total population < 16 years old across all countries with population data

Male: Female

2.07 × 10^9

(2,069,000,000)

1.07:1.00

Total population across all countries included in analysis

7.49 × 10^9

(7,494,205,912)

Proportion of total population < 5 years old

9.01%

Proportion of population < 16 years old

27.61%