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Table 6 Correlations between density of eye care practitioners and development characteristics

From: Mapping human resources for eye health in 21 countries of sub-Saharan Africa: current progress towards VISION 2020

  Ophthalmologists Cataract surgeons Ophthalmic COs Ophthalmic nurses Optometrists ML refractionists
  n R P-value n R P-value n R P-value n R P-value n R P-value n R P-value
GDP 20 0.6226 0.0034 a 14 0.4637 0.0949 7 −0.2857 0.5345 18 0.4118 0.0895 12 0.5594 0.0586 16 0.2794 0.2946
GHE 18 0.4159 0.0861 12 −0.0699 0.8290 6 0.2571 0.6228 16 0.4147 0.1102 11 0.7364 0.0098 a 14 0.1033 0.7253
HDI 20 0.3263 0.1603 14 0.4286 0.1263 7 −0.1429 0.7599 18 0.3746 0.1256 12 0.4126 0.1826 16 0.5853 0.0172*
Population size 20 −0.1203 0.6134 14 −0.0198 0.9465 7 −0.2143 0.6445 18 −0.4799 0.0439 a 12 −0.1678 0.6021 16 −0.0706 0.7950
Geographic size 20 0.0421 0.8601 14 −0.0901 0.7593 7 −0.7857 0.0362 a 18 −0.4159 0.0861 12 0.3007 0.3423 16 −0.2676 0.3163
  1. Table legend: countries with ≤ one practitioner in any cadre have been excluded from analyses. R = Spearman’s rho. P-values in bold indicate significance at the 10% level, aat 5%, tested using Spearman rank correlations. CO: clinical officer; GDP: gross domestic product; GHE: government health expenditure; HDI: human development index; ML: mid-level.