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Table 1 Base-line characteristics of the patients

From: Does point-of-care ultrasonography cause discomfort in patients admitted with respiratory symptoms?

Characteristic (N = 271)
Age – years  
 - Median (IQRa) 73 (62–81)
 - Range 19-100
Sex – no. (%) (95 % CI)  
 - Male 103 (38.0) (32.2-43.8)
 - Female 168 (62.0) (56.2-67.8)
Smoking status – no. (%) (95 % CI)  
 - Never smoked 66 (24.4) (19.2-29.5)
 - Current smoker 81 (29.9) (24.4-35.4)
 - Previous smoker 112 (41.3) (35.4-47.2)
 - No information 12 (4.4) (2.0-6.9)
Medical history – no. (%) (95 % CI)  
 - Coronary artery disease 47 (17.3) (12.8-21.9)
 - Heart failure 28 (10.3) (6.7-14.0)
 - Arterial hypertension 85 (31.4) (25.8-36.9)
 - Diabetes mellitus 31 (11.4) (7.6-15.3)
 - COPD 110 (40.6) (34.7-46.5)
 - Asthma 14 (5.2) (2.5-7.8)
 - Other pulmonary disease 15 (5.5) (2.8-8.3)
 - Thromboembolic disease 15 (5.5) (2.8-8.3)
 - Stroke 24 (8.9) (5.5-12.3)
 - Chronic kidney disease 16 (5.9) (3.1-8.7)
 - Malignancy 34 (12.6) (8.6-16.5)
 - Psychiatric disorder 37 (13.7) (9.5-17.8)
Patient reported symptoms – no. (%) (95 % CI)  
 - Subjective experience of dyspnoea 252 (93.0) (89.9-96.0)
 - Chest pain 96 (35.4) (29.7-41.2)
 - Cough 211 (77.9) (72.9-82.8)
 - Sputum production 126 (46.5) (40.5-52.5)
 - Purulent sputum 90 (33.2) (27.6-38.9)
 - Oedema of one leg 27 (10.0) (6.4-13.6)
 - Oedema of both legs 45 (16.6) (12.1-21.1)
 - Fever 111 (41.0) (35.1-46.9)
 - Weight loss 24 (8.9) (5.5-12.3)
 - Weight gain 9 (3.3) (1.2-5.5)
Vital signs at admission  
Respiratory rate – breaths per minute  
 - Median (IQRa) 20 (16–24)
 - Range 10-40
Saturation - %  
 - Median (IQRa) 96 (93–98)
 - Range 75-100
Systolic blood pressure – mmHg  
 - Median (IQRa) 132 (118–150)
 - Range 63-215
Diastolic blood pressure – mmHg  
 - Median (IQRa) 76 (66–86)
 - Range 38-122
Heart rate – beats per minute  
 - Median (IQRa) 95 (80–110)
 - Range 44-169
Temperature - °C  
 - Median (IQRa) 37.2 (36.6-37.8)
 - Range 34.7-40.7
  1. a Interquartile range (IQR) expressed as the 25th and 75th