System for determining user centric treatment data for detecting problems associated to a single treatment, comprising • a plurality of user devices, and • a central device, • the user devices comprising a wireless communication means (I/O U) of a wireless communication system, • the central device comprising plurality of wireless communication means (I/O C1, I/O C2) of said wireless communication system at various places, wherein • the communication means (I/O C) of the central device is arranged to distinguish at least two different locations of the user device, whereby the wireless communication system allows for determining a distance relative to said communication means (l/O C1, I/O C2) of the central device, • whereby a first location is associated with a treatment area and a second location is associated with a general purpose area, • whereby distinguishing is based on detecting and logging an approach towards one of said communication means (I/O C1, I/O C2) of said central device and associating the detection with an associated place, characterized in that • the system determines based on the distinguished locations an overall treatment time and an overall spent time, • whereby a respective nurse Start Time of Service based on a respective nurse identifier signal coming into wireless communication range of a respective user device of a patient is determined, • whereby a respective nurse End Time of Service based on the nurse identifier signal leaving wireless communication range of the respective user device of the patient is determined, • whereby a respective physician Start Time of Service based on a physician identifier signal coming into wireless communication range of a respective user device of a patient is determined, • whereby a respective physician End Time of Service based on the physician identifier signal leaving wireless communication range of the respective user device of the patient is determined, • whereby one or more treatment times based on one or more determined nurse Start Time of Service and nurse End Time of Service is determined, • whereby one or more treatment times based on one or more determined physician Start Time of Service and physician End Time of Service is determined and • wherein overall spent time and treatment times records are stored in a database and • wherein evaluation of the records is done to detect problems associated to a single treatment. • a plurality of user devices, and • a central device, • the user devices comprising a wireless communication means (I/O U) of a wireless communication system, • the central device comprising plurality of wireless communication means (I/O C1, I/O C2) of said wireless communication system at various places, wherein • the communication means (I/O C) of the central device is arranged to distinguish at least two different locations of the user device, whereby the wireless communication system allows for determining a distance relative to said communication means (l/O C1, I/O C2) of the central device, • whereby a first location is associated with a treatment area and a second location is associated with a general purpose area, • whereby distinguishing is based on detecting and logging an approach towards one of said communication means (I/O C1, I/O C2) of said central device and associating the detection with an associated place, characterized in that • the system determines based on the distinguished locations an overall treatment time and an overall spent time, • whereby a respective nurse Start Time of Service based on a respective nurse identifier signal coming into wireless communication range of a respective user device of a patient is determined, • whereby a respective nurse End Time of Service based on the nurse identifier signal leaving wireless communication range of the respective user device of the patient is determined, • whereby a respective physician Start Time of Service based on a physician identifier signal coming into wireless communication range of a respective user device of a patient is determined, • whereby a respective physician End Time of Service based on the physician identifier signal leaving wireless communication range of the respective user device of the patient is determined, • whereby one or more treatment times based on one or more determined nurse Start Time of Service and nurse End Time of Service is determined, • whereby one or more treatment times based on one or more determined physician Start Time of Service and physician End Time of Service is determined and • wherein overall spent time and treatment times records are stored in a database and • wherein evaluation of the records is done to detect problems associated to a single treatment.