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Table 4 Use of preoperative radiotherapy versus surgical procedure and age in curatively treated patients (N = 9705).

From: Rectal cancer treatment and outcome in the elderly: an audit based on the Swedish rectal cancer registry 1995–2004

Curative surgery < 75 years of age
N = 6,042
≥ 75 years of age
N = 3,663
P-value
Preoperative radiotherapy 4,061 (67.2) 1,255 (34.3) P < 0.001
AR 2,436/3,965 (61.4) 635/1,998 (31.8) P < 0.001
APE 1,457/1,783 (81.7) 495/1,047 (47.3) P < 0.001
HA 168/294 (57.1) 125/618 (20.2) P < 0.001
  1. Values are absolute numbers of patients receiving radiotherapy for each surgical procedure versus age group. Percentage given in brackets. Chi-square test used for analysis of difference between age groups. AR, anterior resection. APE, abdominoperineal excision. HA, Hartmann's procedure.