AD Jones (letters, 21 October) devises performance indicators for conferences, culminating in the 'quality-adjusted conference knowledge years' (QUACKYs).

But there is a serious point to be made about the low standard and high cost of many conferences, particularly those run for profit.

Attendance is often a poor use of public money, and this should be subject to the same scrutiny as other expenditure in the NHS.

Why isn't there more criticism in HSJ of this?

Dr Heather A Wood Associate director of strategy and planning Isle of Wight HA