Table 2. Clinical features of cases
Cases (n = 30)
Median Lower to upper quartile Minimum to maximum
Duration of current illness, days 32–31–21
Duration of sore throat, days 32–41–7
FeverPAIN total score 33–42–5
Symptom severity a Sore throat 54–61–6
Coryza 00–00–6
Cough 00–00–5
Fever 21–40–6
Headache 30–40–6
Muscle ache 30–40–6
Temperature, ºC b 37.30.7035.8–39.5
Centor score 32–31–4
n %
FeverPAIN total score 2 516.7
3 1343.3
4 826.7
5 413.3
Pharyngeal or tonsillar inflammation None 26.7
Mild 413.3
Moderate 1240.0
Severe 1240.0
Pharyngeal or tonsillar exudate or pus None 1653.3
Mild 413.3
Moderate 516.7
Severe 516.7
Enlargement of anterior cervical nodes None 516.7
Mild 723.3
Moderate 1550.0
Severe 310.0
Tenderness of anterior cervical nodes None 723.3
Mild 310.0
Moderate 1033.3
Severe 1033.3
Diabetes 413.3
Obesity (BMI >30)516.7
Chronic liver disease 00.0
  • BMI = body mass index.

  • aSeverity ratings: 1 = normal or not affected; 2 = very little problem; 3 = slight problem; 4 = moderately bad; 5 = bad; 6 = very bad; 7 = as bad as it could be. bValues are mean and standard deviation.