Table 4.

Mean (SD) time (months) to first relapse in patients with colorectal cancer according to intensive or control follow up

Intensive follow upControl follow upDifferences in means (95% CI)
Makela et al, 19951710.0 (5.0)15.0 (10.0)-5.00 (−7.99 to −2.01)
Ohlsson et al, 19951820.4 (8.0)*24.0 (7.0)*-3.60 (−6.45 to −0.75)
Schoemaker et al, 199819Not stated
Pietra et al, 19982010.3 (2.7)20.2 (6.1)-9.90 (−11.19 to −8.61)
  Subgroup-8.32 (−9.41 to −7.23)
Kjeldsen et al, 19972117.7 (8)§26.5 (8.0)§-8.80 (−10.25 to −7.35)
  Pooled effect-8.50 (−9.37 to −7.62)
  • *Estimated from ranges stated.

  • †Extramural detection trials.

  • ‡Extramural and intramural detection trials.

  • §Estimated from geometric curves.