Table 2.

Characteristics of Study Patients (N = 504)

CharacteristicValue
Age, median (IQR), y64 (48-74)
Age-group, No. (%)
 <20 years28 (6)
 20-60 years170 (34)
 >60 years306 (61)
Sex, No. (%)
  Male299 (59)
  Female205 (41)

  • IQR = interquartile range.

  • Notes: Characteristics were as recorded at the start of the observation period.