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©The Author(s) 2017.
World J Gastroenterol. Apr 21, 2017; 23(15): 2757-2762
Published online Apr 21, 2017. doi: 10.3748/wjg.v23.i15.2757
Published online Apr 21, 2017. doi: 10.3748/wjg.v23.i15.2757
Table 1 Clinical characteristics of the entire patient cohort1n (%)
Characteristic | Entire cohort | Stage IB | Stage IIA | P value |
Number of patients | 1349 | 886 | 463 | |
Age (yr), median (range) | 65 (18-90) | 65 (18-90) | 63 (18-90) | 0.000 |
Tumor size (mm), mean (range) | 43.4 (21-540) | 29.5 (21-40) | 70.0 (41-540) | 0.000 |
Gender | ||||
Male | 626 (46.40) | 405 (45.71) | 221 (47.73) | 0.480 |
Female | 723 (53.60) | 481 (54.29) | 242 (52.27) | |
Primary site | ||||
Head | 633 (46.9) | 486 (54.85) | 147 (31.75) | 0.000 |
Body | 165 (12.23) | 103 (11.6) | 62 (13.39) | |
Tail | 350 (25.95) | 186 (20.99) | 164 (35.21) | |
Other | 201 (14.90) | 111 (12.53) | 90 (19.44) | |
Grade | ||||
I | 348 (25.80) | 221 (24.94) | 127 (27.43) | 0.006 |
II | 484 (35.88) | 335 (37.81) | 149 (32.18) | |
III | 230 (17.05) | 164 (18.52) | 66 (14.25) | |
IV | 17 (1.26) | 10 (1.13) | 7 (1.51) | |
Unknown | 270 (20.01) | 156 (17.61) | 114 (24.62) | |
Race | ||||
White | 1060 (78.58) | 694 (78.33) | 366 (79.05) | 0.760 |
Other | 289 (21.42) | 192 (21.67) | 97 (20.95) |
Table 2 Prognostic significance for overall survival by univariate analysis of variables for stage IB and IIA patients1
Variable | Stage IB | Stage IIA | ||
n | Log-rank | n | Log-rank | |
Age (yr) | ||||
≤ 65 | 444 | 0.000 | 270 | 0.000 |
> 65 | 442 | 193 | ||
Gender | ||||
Male | 405 | 0.162 | 221 | 0.002 |
Female | 481 | 242 | ||
Tumor size (mm) | ||||
21-30 | 584 | 0.258 | ||
31-40 | 302 | |||
41-70 | 332 | 0.013 | ||
> 70 | 131 | |||
Primary site | ||||
Head | 486 | 0.000 | 147 | 0.004 |
Body | 103 | 62 | ||
Tail | 186 | 164 | ||
Other | 111 | 90 | ||
Grade | ||||
I | 221 | 0.000 | 127 | 0.000 |
II | 335 | 149 | ||
III | 164 | 66 | ||
IV | 10 | 7 | ||
Unknown | 156 | 114 | ||
Race | ||||
White | 694 | 0.148 | 366 | 0.685 |
Other | 192 | 97 |
Table 3 Prognostic significance for overall survival by multivariate analysis of variables for stage IB and IIA patients1
Variable | Stage IB | Stage IIA | ||||
RR | 95%CI | P value | RR | 95%CI | P value | |
Age | 1.037 | 1.025-1.049 | 0.000 | 1.045 | 1.029-1.062 | 0.000 |
Gender (male vs female) | 1.128 | 0.887-1.434 | 0.327 | 1.235 | 0.852-1.790 | 0.265 |
Tumor size | 1.018 | 0.996-1.039 | 0.000 | 1.003 | 0.999-1.008 | 0.173 |
Primary site (head vs body-tail) | 1.734 | 1.311-2.294 | 0.000 | 1.197 | 0.825-1.736 | 0.345 |
Grade (I + II vs III + IV) | 0.570 | 0.443-0.734 | 0.104 | 0.490 | 0.333-0.721 | 0.000 |
- Citation: Li Y, Tang CG, Zhao Y, Cao WY, Qu GF. Outcomes and prognostic factors of patients with stage IB and IIA pancreatic cancer according to the 8th edition American Joint Committee on Cancer criteria. World J Gastroenterol 2017; 23(15): 2757-2762
- URL: https://www.wjgnet.com/1007-9327/full/v23/i15/2757.htm
- DOI: https://dx.doi.org/10.3748/wjg.v23.i15.2757