Development and validation of a nomogram model for predicting overall survival in patients with gastric carcinoma

doi:10.4251/wjgo.v17.i2.95423

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World Journal of Gastrointestinal Oncology

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1948-5204

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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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World J Gastrointest Oncol. Feb 15, 2025; 17(2): 95423
Published online Feb 15, 2025. doi: 10.4251/wjgo.v17.i2.95423

Table 1 Baseline characteristics of the training and validation sets

Variable	Overall (n = 1431)	Training set (n = 1002)	Validation set (n = 429)	P value
Age¹	62.04 ± 10.87	61.96 ± 10.73	62.22 ± 11.20	0.673
Sex, n (%)				0.667
Female	356 (24.88)	253 (25.25)	103 (24.01)
Male	1075 (75.12)	749 (74.75)	326 (75.99)
BMI, n (%)				0.925
18.5-23.9	902 (63.03)	634 (63.27)	268 (62.47)
≥ 24	320 (22.36)	224 (22.36)	96 (22.38)
< 18.5	209 (14.61)	144 (14.37)	65 (15.15)
KPS¹	81.46 ± 25.45	81.68 ± 29.75	80.93 ± 9.67	0.610
Histology, n (%)				0.998
Adenocarcinoma	1396 (97.55)	978 (97.60)	418 (97.44)
Others	35 (2.45)	24 (2.40)	11 (2.56)
TNM stage, n (%)				0.267
I-II	352 (24.60)	245 (24.45)	107 (24.94)
III	479 (33.47)	324 (32.34)	155 (36.13)
IV	600 (41.93)	433 (43.21)	167 (38.93)
Radiation, n (%)				0.273
No	1332 (93.08)	938 (93.61)	394 (91.84)
Yes	99 (6.92)	64 (6.39)	35 (8.16)
Chemotherapy, n (%)				0.649
No	679 (47.45)	471 (47.01)	208 (48.48)
Yes	752 (52.55)	531 (52.99)	221 (51.52)
Surgery, n (%)				0.912
No	672 (46.96)	472 (47.11)	200 (46.62)
Yes	759 (53.04)	530 (52.89)	229 (53.38)
Immunotherapy, n (%)				0.779
No	1379 (96.37)	967 (96.51)	412 (96.04)
Yes	52 (3.63)	35 (3.49)	17 (3.96)
ALB¹	39.20 ± 5.42	39.13 ± 5.43	39.37 ± 5.40	0.451
GLB¹	28.71 ± 5.73	28.72 ± 5.76	28.70 ± 5.67	0.952
β2-microglobulin¹	2.69 ± 1.32	2.70 ± 1.30	2.66 ± 1.38	0.634
Neutrophils¹	4.19 ± 2.43	4.20 ± 2.45	4.16 ± 2.40	0.759
WBC¹	6.14 ± 2.59	6.17 ± 2.61	6.06 ± 2.56	0.465
LDH²	180.20 [154.00, 219.80]	179.00 [154.00, 219.60]	183.10 [154.60, 220.00]	0.484
NLR²	2.74 (1.87, 4.32)	2.67 (1.85, 4.42)	2.81 (1.91, 4.18)	0.760
PLR²	162.60 (119.08, 232.01)	161.30 (116.27, 232.62)	165.31 (123.78, 231.58)	0.193
LMR²	3.38 (2.38, 4.68)	3.36 (2.34, 4.74)	3.43 (2.44, 4.63)	0.712

¹Expressed as mean ± SD.

²Expressed as median (P25, P75).

BMI: Body mass index; KPS: Karnofsky performance status; TNM: Tumor-node-metastasis; ALB: Albumin; GLB: Globulin; WBC: White blood cell count; LDH: Lactate dehydrogenase; NLR: Neutrophil-lymphocyte ratio; PLR: Platelet-lymphocyte ratio; LMR: Lymphocyte-monocyte ratio.

Citation: Liang GZ, Li XS, Hu ZH, Xu QJ, Wu F, Wu XL, Lei HK. Development and validation of a nomogram model for predicting overall survival in patients with gastric carcinoma. World J Gastrointest Oncol 2025; 17(2): 95423
URL: https://www.wjgnet.com/1948-5204/full/v17/i2/95423.htm
DOI: https://dx.doi.org/10.4251/wjgo.v17.i2.95423