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| Keywords: Refractive Error Distribution.svg en Distribution of refractive error in school children Generated with gnuplot using these files file Sorsby 1961-girls dat Refractive error for girls of age 3 15 as a function of age and gender mean ± SD SORSBY A BENJAMIN B SHERIDAN M STONE J LEARY GA Refraction and its components during the growth of the eye from the age of three Memo Med Res Counc 1961;301 Special 1-67 PMID 13915328 Table 5 NOTE values are mean RE standard error SE of mean RE and n SD SE sqrt n age RE D SE D n 3 +2 96 0 19 39 4 +2 33 0 15 51 5 +2 20 0 17 58 6 +1 83 0 19 54 7 +1 98 0 20 57 8 +1 63 0 15 60 9 +2 03 0 24 56 10 +1 33 0 20 63 11 +1 50 0 20 85 12 +1 04 0 19 60 13 +0 96 0 13 61 14 +0 62 0 26 80 15 +0 64 0 181 37 file Sorsby 1961-boys dat Refractive error for boys of age 3 14 as a function of age and gender mean ± SD SORSBY A BENJAMIN B SHERIDAN M STONE J LEARY GA Refraction and its components during the growth of the eye from the age of three Memo Med Res Counc 1961;301 Special 1-67 PMID 13915328 Table 5 NOTE values are mean RE standard error SE of mean RE and n SD SE sqrt n age RE D SE D n 3 +2 33 0 24 56 4 +2 24 0 12 54 5 +2 21 0 16 56 6 +1 71 0 16 56 7 +1 92 0 20 64 8 +1 76 0 19 60 9 +1 52 0 24 50 10 +1 43 0 22 51 11 +1 63 0 23 57 12 +1 19 0 23 67 13 +1 38 0 20 58 14 +0 93 0 38 42 file CLEERE-girls dat Refractive error for girls of age 6 14 1997 to 1998 academic year in the Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error CLEERE Study as a function of age and gender mean ± SD Zadnik et al Ocular component data in schoolchildren as a function of age and gender Optom Vis Sci 2003 Mar;80 3 226-36 PMID 12637834 Table 3 age RE D SD D 6 +0 88 0 86 7 +0 78 1 01 8 +0 64 1 26 9 +0 18 1 64 10 -0 004 1 42 11 +0 03 1 72 12 -0 16 1 55 13 -0 15 1 38 14 -0 46 2 18 file CLEERE-boys dat Refractive error for boys of age 6 14 1997 to 1998 academic year in the Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error CLEERE Study as a function of age and gender mean ± SD Zadnik et al Ocular component data in schoolchildren as a function of age and gender Optom Vis Sci 2003 Mar;80 3 226-36 PMID 12637834 Table 3 age RE D SD D 6 +0 81 0 87 7 +0 72 0 95 8 +0 52 1 11 9 +0 37 1 14 10 +0 34 1 25 11 +0 18 1 57 12 +0 32 1 50 13 -0 12 1 58 14 -0 11 2 78 file Refractive_Error_Distribution gnuplot txt reset set terminal svg size 800 800 fixed fname 'Times' fsize 8 rounded dynamic set output Refractive_Error_Distribution svg set style function lines set multiplot layout 2 2 title Normal Distribution of Refractive Error of Children aged 3 15\n 1961 Data from Sorsby et al 1961 1997 Data from CLEERE Study Zadnik et al 2003 set grid set xtics 1 set ytics 1 set y2tics 1 set xrange 3 15 set yrange -5 +5 set y2range -5 +5 set key left bottom set format y +g set format y2 set xlabel Girls UK 1961 / Age set ylabel Refractive Error RE dpt The Sorsby dataset provides standard error not standard deviation For conversion we need to multiply by sqrt n plot Sorsby 1961-girls dat \ u 1 2-2 58 3 sqrt 4 2+2 58 3 sqrt 4 with filledcurve title RE ± 2 58σ 99 CI lc rgb F5E3D0 \ u 1 2-2 3 sqrt 4 2+2 3 sqrt 4 with filledcurve title RE ± 2σ 95 45 CI lc rgb FAB068 \ u 1 2- 3 sqrt 4 2+ 3 sqrt 4 with filledcurve title RE ± 1σ 68 27 CI lc rgb F04C2B \ u 1 2 with lines notitle lc rgb FAB068 lw 2 set xlabel Boys UK 1961 / Age unset ylabel set format y set format y2 +g plot Sorsby 1961-boys dat \ u 1 2-2 58 3 sqrt 4 2+2 58 3 sqrt 4 with filledcurve title RE ± 2 58σ 99 CI lc rgb C5E1EF \ u 1 2-2 3 sqrt 4 2+2 3 sqrt 4 with filledcurve title RE ± 2σ 95 45 CI lc rgb 2B8CBE \ u 1 2- 3 sqrt 4 2+ 3 sqrt 4 with filledcurve title RE ± 1σ 68 27 CI lc rgb 045A8D \ u 1 2 with lines notitle lc rgb 2B8CBE lw 2 set format y +g set format y2 set xlabel Girls US 1997 / Age set ylabel Refractive Error RE dpt plot CLEERE-girls dat \ u 1 2-2 58 3 2+2 58 3 with filledcurve title RE ± 2 58σ 99 CI lc rgb F5E3D0 \ u 1 2-2 3 2+2 3 with filledcurve title RE ± 2σ 95 45 CI lc rgb FAB068 \ u 1 2- 3 2+ 3 with filledcurve title RE ± 1σ 68 27 CI lc rgb F04C2B \ u 1 2 with lines notitle lc rgb FAB068 lw 2 set xlabel Boys US 1997 / Age unset ylabel set format y set format y2 +g plot CLEERE-boys dat \ u 1 2-2 58 3 2+2 58 3 with filledcurve title RE ± 2 58σ 99 CI lc rgb C5E1EF \ u 1 2-2 3 2+2 3 with filledcurve title RE ± 2σ 95 45 CI lc rgb 2B8CBE \ u 1 2- 3 2+ 3 with filledcurve title RE ± 1σ 68 27 CI lc rgb 045A8D \ u 1 2 with lines notitle lc rgb 2B8CBE lw 2 command to generate SVG gnuplot Refractive_Error_Distribution gnuplot txt own Spitzhörnchen Refractive error Images with Gnuplot source code | ||||
