The phrase "confusion exists" is correct and can be used in written English.
You can use it to describe any kind of confusion in a situation. For example, "There is a lot of conflicting information about the new policy, so confusion exists among the employees."
Significant confusion exists about management of blunt carotid injuries (BCI).
Additional confusion exists because there are nine parties different enough to count.
Nonetheless, some confusion exists whether the equitable remedy of rescission survives under the Code.
Much confusion exists about the propriety and desirability of golden parachutes, even among senior executives.
However, significant confusion exists in the literature on the cost-effectiveness of public support for renewable electricity.
Thus even greater confusion exists amongst people who "learn" or hear of TM or are intended practitioners.
Because the Shin Buddhist community has not stayed with the True Teaching of Shinran, confusion exists where it should not.
Similar confusion exists in the literature on electrical energy storage devices and may explain discrepancies reported when measuring the capacitances of supercapacitors using EIS, CV, or galvanostatic methods.
However, confusion exists when plain radiography shows injury to the anterior spinal column without significant kyphosis or widening of the posterior interspinous space.
With asbestos, some of the confusion exists because federal environmental and labor agencies and city officials use different standards and tests to estimate risks.
Great confusion exists, however, in this area because some business travelers have reduced flying, sometimes using trains or cars instead and sometimes simply avoiding a trip altogether.
