No matter Mayor de Blasios billion-dollar-plus agreement with the feds to clean up mold, lead paint and more in decaying Housing Authority apartments, without a profound change in how NYCHA does business, the mayor has little hope of being a decent landlord to more than 400,000 New Yorkers enduring increasingly atrocious conditions.

NYCHA itself commissioned a study, from the respected Citizens Housing and Planning Council, that now returns a powerful message for how to do just that. It compares 241 apartments the public bureaucracy operates with those in 188 apartments in NYCHA buildings moved to private management starting in 2014, and renovated.

Guess which group had 2,109 work orders from tenants in a year and which had 12,023?

Read more in NY Daily News.