The number of people who have died during the conflict in Syria stands at "at least" 93,000, the United Nations Office of the High Commissioner for Human Rights said Thursday.

"The constant flow of killings continues at shockingly high levels," High Commissioner Navi Pillay said in Geneva.

"This is most likely a minimum casualty figure. The true number of those killed is potentially much higher," she said.

Pillay's office did a statistical study on the figures provided by eight different sources and, after meticulously verifying the identities of the victims, a list of 92,901 documented cases of people who died in Syria between March 2011 and April 2013 was able to be compiled.

Moreover, the analysis shows a net increase in the average number of documented deaths each month since the start of the conflict.

Whereas in the summer of 2011 the average number of deaths per month stood at 1,000, since July 2012 the average number has been increasing to its current level of 5,000 per month.

The study is an update of a previous analysis that had established that by November 2012 about 60,000 people had died in the Syrian conflict. EFE