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Table 1 The means (standard deviation) of physician manpower-related variables in 130 countries, in training and validation sets

From: Predicting the demand of physician workforce: an international model based on "crowd behaviors"

Variables

Training Set(N = 65)

Validation Set(N = 65)

Entire Set(N = 130)

Physician density(per 10,000)

15.2 (14.0)

17.6 (14.8)

16.4 (14.4)

Population density(per square kilometre)

135.7 (222.4)

137.2 (214.7)

136.4 (217.8)

Proportion under age 15 years

29.6 (12.0)

29.3 (11.0)

29.4 (11.5)

Proportion over age 60 years

11.4 (7.4)

10.6 (6.7)

11.0 (7.1)

Life expectancy (years)

65.5 (12.4)

66.4 (11.8)

65.9 (12.1)

Gross domestic product (GDP, per capita)

10177 (15811)

10091 (14279)

10134 (15005)

Expenditure on health as percentage of GDP

6.6 (2.7)

6.6 (2.8)

6.6 (2.8)

Purchasing power parities

438 (1518)

299 (924)

370 (1258)

  1. Notes. Data are partitioned into two subsets in a cross-validation analysis. The "training set" is the subset used for analysis, and the "validation set" is used for validating the analysis