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. 2010 Aug;53(4):225–231.

Table 3.

Characteristics of patients with stage 3 cancer

Characteristic Cohort; no. (%) of patients* p value
1996, n = 89 2003/04, n = 148
Age, yr, mean (range) 66.6 (41–86) 65.2 (32–92 0.18
Sex 0.98
 Female 35 (39.3) 58 (39.1)
 Male 54 (60.6) 90 (60.8)
Distance from anal verge 0.036
 Distal (< 5 cm) 20 (22.4) 56 (37.8)
 Mid (5–10 cm) 46 (51.6) 56 (37.8)
 Upper (> 10 cm) 23 (25.8) 36 (24.3)
Type of resection 0.57
 Anterior and Hartmann 52 (58.4) 92 (62.1)
 Abdominoperineal 37 (41.5) 56 (37.8)
Circumferential resection margin < 0.001
 Positive 7 (7.8) 27 (18.2)
 Negative 49 (55.0) 117 (79.0)
 Unknown 33 (37.0) 4 (2.7)
Radiotherapy 0.17
 None 27 (30.3) 33 (22.2)
 Radiotherapy 62 (69.7) 115 (77.7)
 Preoperative 4 (4.4) 91 (61.4) < 0.001
 Postoperative 58 (65.1) 24 (16.2)
*

Unless otherwise indicated.

p value using 2 categories: radiotherapy and none.

p value using 3 categories: preoperative radiotherapy, postoperative and none.