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Table 3 Symptoms, signs, and cardiac investigation findings of patients with thyrotoxicosis at the endocrine clinic, ACSH from December, 2017 to June, 2018, N = 200

From: Thyrotoxicosis and dilated cardiomyopathy in developing countries

Clinical features Frequency Percentage (95 % CI)
Symptoms
 Palpitation 171 85.5 (79.8–90.1)
 Fatigue 138 69.0 (62.1–75.3)
 Heat intolerance 118 59.0 (51.8–65.9)
 Irritability 110 55.0 (47.8–62.0)
 Hyperactivity 104 52.0 (44.8–59.1)
 Sweating 89 44.5 (37.5–51.7)
 Weight loss 70 35.0 (28.4–42.0)
 Increased appetite 66 33.0 (26.5–40.0)
 Difficulty of swallowing 10 5.0 (2.4-9.0)
 Dyspnea 10 5.0 (2.4-9.0)
 Abortion 6 3.0 (1.1–6.4)
 Dysmenorrhea 4 2.0 (0.5-5.0)
Signs
 Anterior neck swelling 186 93.0 (88.5–96.1)
 Tachycardia 86 43.0 (36.0-50.2)
 Exophthalmos 35 17.5 (12.5–23.5)
 Tremor 35 17.5 (12.5–23.5)
 Lid lag 2 1.0 (0.1–3.6)
 Lid retraction 1 0.5 (0.0-2.8)
Echo (n = 89)
 Dilated cardiomyopathy 35 39.3 (29.1–50.3)
 Normal 20 22.5 (14.3–32.6)
 Pulmonary hypertension 17 19.1 (11.5–28.8)
 Degenerative valvular heart disease 9 10.1 (4.7–18.3)
 Rheumatic valvular heart disease 6 6.7 (2.5–14.1)
 Hypertensive heart disease 2 2.2 (0.0-7.9)
ECG (n = 149)
 Sinus tachycardia 71 47.7 (39.4–56.0)
 Atrial fibrillation 43 28.9 (21.7–36.8)
 Normal 35 23.5 (16.9–31.1)
 Sinus bradycardia 1 0.7 (0.0-3.7)
  1. Note: Echo Echocardiography, ECG Electrocardiography