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Table 5 Mean practitioner to population ratios according to development characteristics

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

  Ophthalmologists Cataract surgeons OCOs Ophthalmic nurses Optometrists ML refractionists
  n Mdn min to max P-value n Mdn min to max P-value n Mdn min to max P-value n Mdn min to max P-value n Mdn min to max P- value n Mdn min to max P-value
African region (UN)
Northern 1 8.8   0.0063 a 0    0.3545 0    - 1 1.5   0.0012 a 1 8.8   0.8312 1 1.1   0.6605
Western 7 2.8 0.8 to 4.3 4 1.3 0.3 to 7.3 0    8 8.8 6.8 to 22.0 4 0.6 0.3 to 4.5 5 2.1 0.3 to 5.4
Middle 1 1.0   1 0.8   0    1 1.9   0    1 1.8  
Eastern 10 1.2 0.3 to 2.1 9 0.6 0.3 to 2.2 7 2.6 0.6 to 6.2 7 2.4 0.1 to 6.2 6 1.0 0.1 to 3.8 8 1.0 0.1 to 8.8
Southern 1 4.9   0    0    1 45.9   1 5.9   1 8.9  
Language of education
English 12 1.5 0.3 to 8.8 0.4469 9 0.6 0.3 to 7.3 0.7576 6 1.8 0.6 to 6.2 0.3173 12 4.7 0.1 to 45.9 0.4606 7 3.8 0.1 to 8.8 0.0588 11 2.1 0.2 to 8.9 0.8961
French 7 2.2 0.8 to 4.3 4 1.2 0.3 to 2.0 1 5.4   5 7.6 1.9 to 13.0 4 0.5 0.3 to 0.8 4 1.6 0.3 to 5.4
Horn of Africa 1 1.3   1 0.6   0    1 2.8   1 0.3   1 0.1  
National training school for cadre exists
0 4 1.5 0.3 to 4.9 0.5708 5 1.0 0.3 0.5582 1 0.6   0.1573 2 4.5 2.0 to 6.9 0.7656 6 1.1 0.1 to 5.9 0.6310 4 1.0 0.1 to 5.4 0.6015
≥ 1 16 1.5 0.5 to 8.8 8 0.7 0.3 to 7.3 4 5.1 0.8 to 6.2 15 6.2 0.1 to 45.9 6 2.2 0.3 to 8.8 11 1.5 0.2 to 8.8
  1. Table legend: countries with ≤ one practitioner in any cadre have been excluded from analyses. Regional comparisons tested were western versus eastern and language comparisons were English versus French, because of small numbers in other categories. Median ratios were used rather than means because data was not normally distributed. P-values in bold indicate significance at the 10% level, aat 5%, using the Wilcoxon rank sum test. CO: clinical officer; max, maximum; Mdn: median; min, minimum; ML: mid-level; OCOs, ophthalmic clinical officers.