Table 1

Characteristics of the two groups

AspirinPlacebo
Number152159
Age60.0±7.3*60.5±6.6
Sex
 Male121(79.6%)125(78.6%)
Smoking
 Current smokers45(29.6%)34(21.4%)
Alcohol
 Drinker†83(54.6%)92(57.9%)
Height164.7±6.8165.5±7.3
Weight64.3±9.765.6±10.1
BMI‡23.6±2.723.9±2.8
Number of tumours upon trial entry5.3±5.75.1±7.0
Past CRC history40(26.3%)39(24.5%)
Treatment period751±67 days764±90 days
  • *SD.

  • †Alcohol drinker: drinks more than three times a week.

  • ‡Body mass index (BMI)=Weight (kg)/height (m) squared.

  • CRC, colorectal cancer.