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Table 2 Answer frequency and drop outs over time (N = 79)

From: Quality of life measurements as an indicator for timing of support after oesophagectomy for cancer: a prospective study

Time of measurements Answers Deceased Missing Answers possible*
  n % n n n %
Pre-operative 71 89.9 0 8   
2 months 64 81.0 0 15   
4 months 50 63.3 3 26 76 65.8
6 months 55 69.6 6 18 73 75.3
9 months 52 65.8 10 17 69 75.4
12 months 32 40.5 24 23 56 57.1
  1. *Adjusted for deceased patients.