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. 2017 Sep 11;17:100. doi: 10.1186/s12893-017-0296-9

Table 2.

The ratios of cancellations by reason category

Non-specified reasons Patient related Doctor related Support system issues Coordination cause Workup related Total
Frequency 511 258 169 235 299 512 1984
Percentage 25.8% 13.0% 8.5% 11.8% 15.1% 25.8% 100.0%
95% Confidence interval [23.7%, 27.8%] [11.5%, 14.5%] [7.4%, 9.8%] [10.4%, 13.3%] [13.6%, 16.6%] [23.9%, 27.7%]