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. 2017 Jul 6;3(3):111–115. doi: 10.1136/bmjstel-2016-000137

Table 2.

Descriptive statistics of the variables from real-life cataract surgery (n=6)

Variable Minimum Maximum Range Mean SD
Mean surgery time (min) 28.75 42.83 14.08 36.23 5.37
Surgery complications (n) 0 3 3 1.3 1.2
Complications <1 month (n) 0 4 4 0.8 1.6
Target refraction error 0.30 0.57 0.27 0.37 0.11