Table 2.

Characteristics of Patients (N = 82) and Primary Care Physicians (N = 28)

CharacteristicValue
Patients
Sex, female, No. (%)42 (51.2)
Age, median (IQR), y47 (22-60)
Age by age-groupa
    Pediatric, mean (SD), y8.9 (2.3)
    Adult, mean (SD), y51.3 (16.8)
Temperature ≥38°C, No. (%)58 (70.7)
Signs and symptoms, No. (%)
    Cough80 (97.6)
    Expectoration58 (70.7)
    Hemoptysis3 (3.7)
    Pleuritic pain22 (26.8)
    Dyspnea (subjective)27 (32.9)
    Signs of respiratory distress9 (11.0)
Auscultatory findings, No. (%)b
    Normal16 (19.5)
    Crackles49 (59.8)
    Hypoventilation16 (19.5)
    Rhonchi7 (8.5)
    Wheezing6 (7.3)
SpO2, median (IQR), %97 (95-98)
Primary care physicians
Specialty, No. (%)
    Family physician21 (75)
    Pediatrician7 (25)
Previous accredited US training, median (IQR), h    85 (49-244)
Previous US experience, median (IQR), y        4.5 (2-6.75)
Number of patients recruited per physician, median (IQR) [range]          2 (1-3.8) [1-8]

  • IQR = interquartile range; SpO2 = peripheral oxygen saturation; US = ultrasound.

  • ↵a There were 15 patients in the pediatric age-group (aged 5-14 years) and 67 patients in the adult age-group (aged ≥14 years).

  • ↵b More than 1 finding possible.