Table 1

Characteristics of patients with colon cancer undergoing elective laparoscopic and open resections, 2006–2012

Before PS matchingAfter PS matching
LaparoscopyOpenLaparoscopyOpen
Per centPer centp ValuePer centPer centp Value
Age
 30–401.11.1<0.011.00.90.41
 41–503.23.63.33.3
 51–6010.510.510.510.4
 61–7029.726.629.729.5
 71–8035.836.635.835.9
 81+20.721.619.720.0
Weighted Charlson score
 257.551.8<0.0156.556.90.92
 3–424.724.624.924.3
 5+17.823.618.618.8
Number of diagnoses
 1–225.124.5<0.0125.125.30.56
 3–430.930.231.030.6
 5–622.222.322.222.0
 7+21.823.021.722.1
Deprivation score
 Least deprived18.520.9<0.0118.618.50.30
 219.820.119.819.4
 319.820.119.919.7
 420.519.720.420.6
 Most deprived21.419.221.321.8
Female47.748.3<0.2147.747.90.60
  • PS, propensity matching.