still insufficiently understood. In the last decade, several surveys, assessing epidemiologic,
clinical and etiologic parameters of ID, have been performed but none of them is realized in
a Tunisian population. In this retrospective survey, we propose to study these parameters, in
a Tunisian cohort of 458 patients with constitutional ID, and to assess our diagnostic
strategy. Data analyses, by the SPSS program, reveal a male predominance, a high level of …