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Br J Ophthalmol 85:1305-1308 doi:10.1136/bjo.85.11.1305
  • Scientific correspondence

Intraocular inflammation after proton beam irradiation for uveal melanoma

Table 2

Dose related risk factors (20% of the total dose

Variable No No Yes p Value RR
% of retina
 ⩽35% 262 216 46 <0.0001 1
 >35% 172 102 70 2.9
Volume of eye
 ⩽3 cm3 245 221 24 <0.0001 1
 >3 cm3 189 97 92 7.09
% of ciliary body
 ⩽40% 250 222 28 <0.0001 1
 >40% 184 96 88 6.2
% of optic disc
 ⩽40% 261 190 71 NS 1.08
 >40% 173 128 45 1
% of macula
 ⩽50% 222 150 72 0.0007 1.6
 >50% 212 168 44 1
Length of optic nerve
 ⩽1 mm 282 209 73 NS 1
 >1 mm 152 109 43 1.05

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