Skip to main content

Table 1 Demographic and clinical characteristics of the patients (N = 1355)

From: Association of neutrophil-to-lymphocyte ratio, radiotherapy fractionation/technique, and risk of development of distant metastasis among patients with locally advanced rectal cancer

Variables N %
Age, years
 Mean (SD) 59.7 SD 12.0
 < 60 667 49.2
 ≥ 60 688 50.8
Sex
 Female 475 35.1
 Male 880 64.9
Clinical T stage
 Tis-T2 131 9.7
 T3/4 1211 89.4
 Tx 13 1.0
Clinical N stage
 N0 252 18.6
 N1/2 1049 77.4
 Nx 54 4.0
Distance of tumor from the anal verge
 Lower 559 41.3
 Middle 675 49.8
 Upper 121 8.9
Year of diagnosis*
 < 2013 511 37.7
 ≥ 2013 844 62.3
ypT
 Tis/0 286 21.1
 T1/2 381 28.1
 T3/4 682 50.3
 Tx 6 0.4
ypN
 N0 980 72.3
 N1/2 372 27.5
 Nx 3 0.2
Neoadjuvant chemotherapy
 Capecitabine 794 58.6
 FL 422 31.1
 Others 139 10.3
Adjuvant chemotherapy
 FL 277 20.4
 Capecitabine 230 17.0
 FOLFOX 204 15.1
 Others 16 1.2
 None 628 46.3
RT modality
 3D-CRT 851 62.8
 Tomotherapy 504 37.2
RT fractionation
 LCRT 1325 97.8
 SCRT 30 2.2
  1. SD standard deviation, FL fluorouracil, 3D-CRT three-dimensional conformal radiotherapy, LCRT long-course RT, SCRT short-course RT
  2. *Colorectal cancer multidisciplinary team was implemented in the year 2012–2013 at our institution