Fig. 2From: Results from a pharmacy-based patient survey on the use of a fixed combination analgesic containing acetylsalicylic acid, paracetamol and caffeine by self-diagnosing and self-treating patientsPatients’ assessment of efficacy. Assessment of efficacy for patients using the APC combination for the treatment of TTH (a) or migraine (b), as well as for patients taking the medication for the first time (c), compared to experienced users (d). See text for details. Numbers of patients for the respective groups are given above the columns Back to article page