Table 2

Oesophageal cancer surgery during narrow holiday period (7 weeks) and HRs with 95% CIs of mortality

Variable90-day all-cause mortality5-year all-cause mortality5-year disease-specific mortality
HR (95% CI)HR (95% CI)HR (95% CI)
Narrow holiday period*†
 No1 (reference)1 (reference)1 (reference)
 Yes0.84 (0.53 to 1.33)1.01 (0.85 to 1.21)1.04 (0.87 to 1.26)
Wide holiday period*‡
 No1 (reference)1 (reference)1 (reference)
 Yes0.79 (0.55 to 1.13)0.96 (0.84 to 1.1)1.03 (0.89 to 1.19)
  • *Adjusted for age, tumour stage, tumour histology, Charlson comorbidity score, neoadjuvant therapy, surgeon volume and narrow/wide holiday period.

  • †Narrow holiday period is period of 7 weeks from 25 June to 15 August.

  • ‡Wide holiday period is period of 14 weeks from 16 December to 7 January and 16 June to 31 August.