The trust is facing three separate inquiries into the allegations.
Media captionColchester Hospital's chief executive had been aware of concerns about waiting times for more than two years "I am sorry that some of our patients were let down and that what has happened may have damaged local people's confidence in their hospitals.".
"He was the leader of the organisation and was ultimately accountable for patient safety.
Media playback is unsupported on your device.'I am sorry' "Underpinning this will be the need to lead and support staff to deliver high quality and safe services."We hope the trust board will move quickly to recruit a new permanent chief executive who can lead the organisation out of the mess.".Sue Barnett, the deputy chief executive, will take over while transition arrangements are made and an interim CEO is identified.Analysis, by Julian SturdyBBC Look East, the pressure had been building on Dr Coutts over the past week.Earlier this month it emerged he was told of concerns surrounding waiting time manipulation in 2011.The hospital said it would sex and the city dating quotes be recruiting a new chief executive in the new year.Allegations of inaccuracies in the cancer data, made public last month, prompted a review by Essex Police, Monitor, the CQC and NHS England, and saw the hospital placed into special measures.Image caption Dr Gordon Coutts has left Colchester Hospital University Trust by 'mutual consent'.In his response, Dr Coutts told the patient: "If you would like to provide me with any names or evidence of waiting list irregularities I will investigate this matter.".The chief executive of a hospital under police investigation over alleged manipulation of cancer waiting times has resigned.So he has been nudged into resigning.Dr Coutts joined the trust as an non-executive director in 2010 but within months had been promoted to chief executive.