Table 1 Patient demographics
From: Does young age influence the prognosis of colorectal cancer: a population-based analysis
Age group | ||||
|---|---|---|---|---|
Young (<45 years) | Intermediate (45–79 years) | Elderly (80+ years) | ||
n = 70 | n = 1459 | n = 557 | P value | |
Diagnosis year (n (%)) | 0.1349 | |||
2004 | 28 (40.00) | 502 (34.41) | 176 (31.60) | |
2005 | 26 (37.14) | 451 (30.91) | 194 (34.83) | |
2006 | 16 (22.86) | 506 (34.68) | 187 (33.57) | |
Age (mean ± SD (range)) | 38 ± 4.82 (20-44) | 66 ± 9.21 (45-79) | 85 ± 4.08 (80-103) | |
Age (median (interquartile range) | 39 (36-41) | 67 (59-74) | 84 (82-87) | <0.0001 |
Gender (n (%)) | <0.0001 | |||
Female | 35 (50.00) | 607 (41.60) | 321 (57.63) | |
Male | 35 (50.00) | 852 (58.40) | 236 (42.37) | |
Site (n (%)) | <0.0001 | |||
Colon | 51 (72.86) | 912 (62.51) | 413 (74.15) | |
Rectosigmoid | 2 (2.86) | 144 (9.87) | 56 (10.05) | |
Rectum | 17 (24.29) | 403 (27.62) | 88 (15.80) | |
AJCC stage (n (%)) | <0.0001 | |||
I | 9 (12.86) | 296 (20.29) | 98 (17.59) | |
II | 25 (35.71) | 369 (25.29) | 181 (32.50) | |
III | 22 (31.43) | 449 (30.77) | 139 (24.96) | |
IV | 13 (18.57) | 319 (21.86) | 107 (19.21) | |
Unknown/NA | 1 (1.43) | 26 (1.78) | 32 (5.75) | |
T stage (n (%)) | 0.0267 | |||
NA | 1 (0.07) | |||
T0 | 1 (0.07) | 2 (0.36) | ||
T1 | 9 (12.86) | 182 (12.47) | 72 (12.93) | |
T2 | 6 (8.57) | 191 (13.09) | 55 (9.87) | |
T3 | 33 (47.14) | 771 (52.84) | 284 (50.99) | |
T4 | 20 (28.57) | 234 (16.04) | 84 (15.08) | |
TX | 2 (2.86) | 79 (5.41) | 58 (10.41) | |
Tis | 2 (0.36) | |||
Nodes (n (%)) | 0.0058 | |||
N0 | 37 (52.86) | 806 (55.24) | 345 (61.94) | |
N1 | 19 (27.14) | 397 (27.21) | 123 (22.08) | |
N2 | 13 (18.57) | 232 (15.90) | 60 (10.77) | |
NA | 1 (0.07) | |||
NX | 1 (1.43) | 23 (1.58) | 29 (5.21) | |
Metastasis (n (%)) | 0.1626 | |||
M0 | 56 (80.00) | 1124 (77.04) | 436 (78.28) | |
M1 | 13 (18.57) | 319 (21.86) | 107 (19.21) | |
MX | 1 (1.43) | 15 (1.03) | 14 (2.51) | |
NA | 1 (0.07) | |||
Grade/differential (n (%)) | 0.0038 | |||
1 - well differentiated | 2 (2.86) | 87 (5.96) | 35 (6.28) | |
2 - moderately differentiated | 45 (64.29) | 1003 (68.75) | 329 (59.07) | |
3 - poorly differentiated | 8 (11.43) | 180 (12.34) | 75 (13.46) | |
4 - undifferentiated | 4 (0.27) | 4 (0.72) | ||
9 - not determined/not available | 15 (21.43) | 185 (12.68) | 114 (20.47) | |
Residence at diagnosis (n (%)) | 0.0275 | |||
Rural | 23 (32.86) | 572 (39.20) | 184 (33.03) | |
Urban | 47 (67.14) | 887 (60.80) | 373 (66.97) | |
Distance from CancerCare (n (%)) | 0.0300 | |||
<21 km | 44 (62.86) | 835 (57.23) | 341 (61.22) | |
21-100 km | 11 (15.71) | 254 (17.41) | 71 (12.75) | |
101-500 km | 14 (20.00) | 324 (22.21) | 138 (24.78) | |
501+ km | 1 (1.43) | 46 (3.15) | 7 (1.26) | |
Charlson score (CCI) (n (%)) | <0.0001 | |||
CCI count =0 | 39 (55.71) | 604 (41.40) | 194 (34.83) | |
CCI count =1 | 29 (41.43) | 558 (38.25) | 178 (31.96) | |
CCI count >1 | 2 (2.86) | 297 (20.36) | 185 (33.21) | |
Socioeconomic status (n (%)) | <0.0001 | |||
1 | 27 (38.57) | 275 (18.85) | 160 (28.73) | |
2 | 11 (15.71) | 318 (21.80) | 125 (22.44) | |
3 | 9 (12.86) | 323 (22.14) | 105 (18.85) | |
4 | 10 (14.29) | 289 (19.81) | 75 (13.46) | |
5 | 13 (18.57) | 246 (16.86) | 76 (13.64) | |
NA | 8 (0.55) | 16 (2.87) | ||