• Patricia Sagaspe, Damien Leger, Jacques Taillard, Virginie Bayon, Guillaume Chaumet, and Pierre Philip.
• GENPPHASS, CHU Pellegrin, 33076 Bordeaux, France.
• Sleep Med. 2010 May 1;11(5):479-83.

ObjectiveWhile the Berlin Sleep Questionnaire (BSQ) was developed to identify patients at high risk of having sleep apnea, assessment can be difficult in patients suffering from impaired cognitive functions (i.e., stroke patients). We therefore created a modified version of the questionnaire to be used in patients' bed partners to test whether it could give identical results to the original form of BSQ.MethodsThe BSQ was filled in by 90 patients hospitalized in our Sleep Clinic for polysomnographic recording and by 33 healthy control subjects recorded polysomnographically. An adapted version of the BSQ was completed by each bed partner.ResultsSixty of the 123 subjects had a Respiratory Disturbance Index (RDI)>5 and 49.6% of them were classified as being at high risk of having sleep apnea with both questionnaires. Being in the high-risk group with the self-reported Berlin questionnaire predicted an RDI>15 with a sensitivity of 0.76 and a specificity of 0.61 versus a sensitivity of 0.82 and a specificity of 0.63 with the bed-partner Berlin questionnaire. Being in the high-risk group with the self-reported Berlin questionnaire predicted an RDI>30 with a sensitivity of 0.71 and a specificity of 0.53 versus a sensitivity of 0.79 and a specificity of 0.54 with the bed-partner Berlin questionnaire.ConclusionsThe bed-partner Berlin questionnaire predicts an RDI>15 with a better sensitivity and specificity than the original questionnaire. It could, therefore, be used in bed partners of patients suspected of obstructive sleep apnea syndrome who cannot fill in the self-reported Berlin questionnaire.Copyright 2010 Elsevier B.V. All rights reserved.

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