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Table 1 Patients’ characteristics at different radiotherapy duration

From: Comparing neoadjuvant long-course chemoradiotherapy with short-course radiotherapy in rectal cancer

Clinical variable Radiotherapy duration χ2 P value
SC (%) LC (%)
Age Median (IQR), years 59 (49–65) 53 (45–60) 0.01*
Sex
Male
Female
18 (56.25)
14 (43.75)
87 (63.04)
51 (36.96)
0.51 0.48**
Distance to anus
 ≤ 5 cm
 > 5 cm
23 (71.88)
9 (28.12)
85 (61.59)
53 (38.41)
1.19 0.28**
Mode of operation
Open abdomen
Endoscopic
6 (18.75)
26 (81.25)
73 (52.90)
65 (47.10)
12.18  < 0.01**
Type of operation
Dixon
Hartmann
Miles
20 (62.50)
0 (0.00)
12 (37.50)
87 (63.04)
4(2.90)
47(34.06)
0.93***
Neoadjuvant chemotherapy
No
Yes
5 (15.63)
27 (84.37)
36 (26.09)
102 (73.91)
1.55 0.21**
CEA Median (IQR), ng/mL 2.74 (1.55–5.39) 3.95 (1.81–15.27) 0.11*
Clinical tumor stage
cT2
cT3
cT4
4 (12.50)
23 (71.88)
5 (15.62)
4 (2.90)
97 (70.29)
37 (26.81)
5.42 0.08**
Lymph node status
Negative
Positive
2 (6.25)
30 (93.75)
20 (14.49)
118 (85.51)
0.92 0.34**
  1. CEA, carcinoembryonic antigen; SC, short-course radiotherapy; LC, Long-course chemoradiotherapy; IQR, interquartile range
  2. *: Mann–Whitney U test, **: χ2 test, ***: Fisher exact test