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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: J AAPOS. 2015 Oct;19(5):435–440. doi: 10.1016/j.jaapos.2015.07.284

Table 3.

Cross tabulation of Spot and Plusoptix results by examination results

Exam Result
Negative/Pass
Positive/Fail Total
Spot Result Negative/Pass 81 5 86
Positive/Fail 12 111 123

Total 93 116 209

Exam Result
Negative/Pass
Positive/Fail Total

Plusoptix Result Negative/Pass 57 0 57
Positive/Fail 36 116 152

Total 93 116 209