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Retrospective Cohort Study
Copyright: ©Author(s) 2026.
World J Clin Oncol. Aug 24, 2026; 17(8): 124227
Published online Aug 24, 2026. doi: 10.5306/wjco.124227
Table 1 General characteristics of the entire, local, regional and locoregional recurrence group, n (%)
Variables
Total (n = 330)
Local (n = 167)
Regional (n = 86)
Locoregional (n = 77)
P value
Gender0.615
    Male257 (77.88)131 (78.44)69 (80.23)57 (74.03)
    Female73 (22.12)36 (21.56)17 (19.77)20 (25.97)
Age0.374
    < 60271 (82.12)133 (79.64)71 (82.56)67 (87.01)
    ≥ 6059 (17.88)34 (20.36)15 (17.44)10 (12.99)
Smoking status0.112
    No202 (61.21)94 (56.29)54 (62.79)54 (70.13)
    Yes128 (38.79)73 (43.71)32 (37.21)23 (29.87)
Drinking status0.663
    No223 (67.58)109 (65.27)60 (69.77)54 (70.13)
    Yes107 (32.42)58 (34.73)26 (30.23)23 (29.87)
KPS status0.783
    60-7011 (3.33)7 (4.19)2 (2.33)2 (2.60)
    80-90319 (96.67)160 (95.81)84 (97.67)75 (97.40)
Weight loss status0.044
    < 10%308 (93.33)154 (92.22)85 (98.84)69 (89.61)
    ≥ 10%22 (6.67)13 (7.78)1 (1.16)8 (10.39)
T< 0.001
    1 or 2150 (45.45)57 (34.13)58 (67.44)35 (45.45)
    3 or 4180 (54.55)110 (65.87)28 (32.56)42 (54.55)
N< 0.001
    0 or 1150 (45.45)98 (58.68)24 (27.91)28 (36.36)
    2 or 3180 (54.55)69 (41.32)62 (72.09)49 (63.64)
TNM0.853
    I-II63 (19.09)33 (19.76)17 (19.77)13 (16.88)
    III-IV267 (80.91)134 (80.24)69 (80.23)64 (83.12)
Radiotherapy technique0.863
    Non-IMRT196 (59.39)101 (60.48)49 (56.98)46 (59.74)
    IMRT134 (40.61)66 (39.52)37 (43.02)31 (40.26)
Time of treatment0.632
    1990-1999113 (34.24)57 (34.13)25 (29.07)31 (40.26)
    2000-2009126 (38.18)65 (38.92)36 (41.86)25 (32.47)
    2010-202091 (27.58)45 (26.95)25 (29.07)21 (27.27)
Chemotherapy0.149
    No206 (62.42)112 (67.07)47 (54.65)47 (61.04)
    Yes124 (37.58)55 (32.93)39 (45.35)30 (38.96)
Early or late recurrence0.109
    Early156 (47.27)74 (44.31)49 (56.98)33 (42.86)
    Late174 (52.73)93 (55.69)37 (43.02)44 (57.14)
rT< 0.001
    086 (26.06)0 (0.00)86 (100.00)0 (0.00)
    1 or 2119 (36.06)74 (44.31)0 (0.00)45 (58.44)
    3 or 4125 (37.88)93 (55.69)0 (0.00)32 (41.56)
rN< 0.001
    0167 (50.61)167 (100.00)0 (0.00)0 (0.00)
    1 or 2150 (45.45)0 (0.00)77 (89.53)73 (94.81)
    313 (3.94)0 (0.00)9 (10.47)4 (5.19)
rTNM< 0.001
    I-II158 (47.88)74 (44.31)57 (66.28)27 (35.06)
    III-IV172 (52.12)93 (55.69)29 (33.72)50 (64.94)
Post recurrence treatment< 0.001
    Chemotherapy36 (10.91)19 (11.38)7 (8.14)10 (12.99)
    RT150 (45.45)90 (53.89)19 (22.09)41 (53.25)
    Surgery107 (32.42)33 (19.76)56 (65.12)18 (23.38)
    BST37 (11.21)25 (14.97)4 (4.65)8 (10.39)


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