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. 2019 Jun 14;14(4):390–394. doi: 10.1016/j.jtumed.2019.05.002

Table 2.

Year of Study.

Year Frequency Percent (%)
Year 1 175 53.4
Year 2 37 11.3
Year 3 35 10.7
Year 4 33 10.1
Year 5 33 10.1
Year 6 15 4.6