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Table 1 Demographic features of patients diagnosed with esophageal cancer in Linzhou city 2003–2012

From: The improved cure fraction for esophageal cancer in Linzhou city

Calendar period 2003–2004 2005–2006 2007–2008 2009–2010 2011–2012 Total
Total No. of cases (%) 1439 (17.8) 1435 (17.8) 1730 (21.4) 1740 (21.6) 1723 (21.4) 8067 (100.0)
Sex, n (%)
 Male 814 (17.9) 783 (17.2) 1013 (22.3) 943 (20.7) 995 (21.9) 4548 (100.0)
 Female 625 (17.8) 652 (18.5) 717 (20.4) 797 (22.6) 728 (20.7) 3519 (100.0)
Age groups, years; n (%)
 19–49 182 (24.0) 160 (21.1) 155 (20.5) 120 (15.9) 140 (18.5) 757 (100.0)
 50–59 465 (18.7) 449 (18.0) 582 (23.4) 534 (21.4) 460 (18.5) 2490 (100.0)
 60–69 408 (15.7) 431 (16.6) 533 (20.5) 593 (22.8) 634 (24.4) 2599 (100.0)
 70–99 384 (17.3) 395 (17.8) 460 (20.7) 493 (22.2) 489 (22.0) 2221 (100.0)
Median age at diagnosis 62 61 61 62 63 62
5 year Relative survival rate (%)
 19–49 36.3 38.7 50.9 51.4 62.5 46.5
 50–59 33.5 39.1 43.9 41.4 49.0 41.6
 60–69 26.8 28.7 32.7 42.9 51.1 37.7
 70–99 17.8 22.0 25.7 31.7 41.7 28.3