HELIUS - General practitioners - Frequently asked questions
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HELIUS would like to thank the following organizations for their cooperation:

Ujala Radio, GAM TV, Soulhour TV, Quason K. Media Ministeries, Radio Godiya, Adom TV, Recogin, Akasanoma Radio, Ghanaian churches, Stichting de Witte Tulp, Stichting Cabo, Stichting Sanitas, Stichting Hakder, HTDB, AKM, ATKB, Elif: stichting voor Turkse vrouwen, HDV Mescida Aksa, Milli Görü? jongerenfederatie, Buurtparticipatie Bos en Lommer, Stichting Surinaamse vrouwen Bijlmermeer

Frequently asked questions

I’ve received a letter with the results of the physical examination of a HELIUS participant What’s expected of me as a GP?

We will send you a letter with the results of the physical examination if a participant has declared that they are  registered as a patient in your GP practice. We believe it is important that you are well informed about this data.  If the results are abnormal, we advise participants to contact your office themselves.

I’ve received a letter with the results of the physical examination of a HELIUS participant, but this person is not registered at my GP practice?

If you’ve received a letter for a participant that is not registered as a patient in your practice, we kindly ask you to return the letter to us. You can find the return address on the envelope. 

Is it possible to receive the results digitally instead of by letter?

Unfortunately, it is not possible for us to send the results digitally. Research results have to be processed anonymously and for that reason we cannot use the digital system that is used to send results for   patient care. Because we realize that the results by letter can be inconvenient for GPs, we have considered all of the possibilities for  a digital delivery system, but  such a system has proved to be too expensive. We thank you for your understanding.

One of my patients participated in HELIUS, but did not receive his or her results. What should I advise the patient to do?

Participants receive the results of the physical examination by letter within six to eight weeks. If your patient  hasn’t received the results eight weeks after the physical examination, we kindly request that you ask the patient to contact the HELIUS secretariat (phone: 020-5663792, e-mail: info@heliusstudie.nl). The secretariat is open from Monday to Friday between 10:00 AM to 4:00 PM.

What reference values does HELIUS use  for the reported results?

For the laboratory results, we use the guidelines from the LAKC (Laboratorium voor Algemene Klinische Chemie),  the laboratory at the AMC. For the interpretation of blood pressure and weight, we follow the NHG-standards. A cardiologist from the AMC evaluates the ECG-reports.
The reference values that we follow are reported in the table below. In case of increased or decreased values, we advise the participants to contact their GP themselves. Depending on the results of the participant and the medical history of the patient, it can be prudent to take additional tests or to start treatment.  




Reference value




Glucose (sober)


> 7.0 mmol/l



> 42 mmol/mol



< 7.5 mmol/l (women)



< 8.5 mmol/l (men)



> 2.0 mmol/l



> 2.5 mmol/l



< 1.3 mmol/l (women)



< 1.0 mmol/l (men)

Total cholesterol


> 6.5 mmol/l



> 90 umol/l (women)



> 110 umol/l (men)




Micro-alb/ creat ratio


> 3.5 mg/mmol (women)



> 2.5 mg/mmol (men)

Blood pressure:



Systolic blood pressure


> 140 mmHg

Diastolic blood pressure


> 90 mmHg




Body mass index


<18.5 kg/ m2



> 25 kg/m2 en ≤ 30 kg/m2



> 30 kg/m2





Interpretation from a cardiologist at the AMC.


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