Table 1 Demographic and clinical characteristics of patients with NM-GBA.

From: A novel nomogram based on log odds of positive lymph nodes to predict survival for non-metastatic gallbladder adenocarcinoma after surgery

Characteristic

Item

Overall

Training cohort

Validation cohort

P value

Total, n

Ā 

1035

727

308

Ā 

Sex, n (%)

Female

721 (69.7%)

515 (70.8%)

206 (66.9%)

0.233

Male

314 (30.3%)

212 (29.2%)

102 (33.1%)

Ā 

Race, n (%)

White

791 (76.4%)

556 (76.5%)

235 (76.3%)

0.301

Black

112 (10.8%)

84 (11.6%)

28 (9.1%)

Ā 

Other

132 (12.8%)

87 (12%)

45 (14.6%)

Ā 

Grade, n (%)

G1

153 (14.8%)

110 (15.1%)

43 (14%)

0.805

G2

493 (47.6%)

339 (46.6%)

154 (50%)

Ā 

G3

375 (36.2%)

268 (36.9%)

107 (34.7%)

Ā 

G4

14 (1.4%)

10 (1.4%)

4 (1.3%)

Ā 

T, n (%)

T1

118 (11.4%)

92 (12.7%)

26 (8.4%)

0.162

T2

533 (51.5%)

374 (51.4%)

159 (51.6%)

Ā 

T3

352 (34%)

237 (32.6%)

115 (37.3%)

Ā 

T4

32 (3.1%)

24 (3.3%)

8 (2.6%)

Ā 

N, n (%)

N0

560 (54.1%)

393 (54.1%)

167 (54.2%)

0.816

N1

437 (42.2%)

309 (42.5%)

128 (41.6%)

Ā 

N2

38 (3.7%)

25 (3.4%)

13 (4.2%)

Ā 

Stage, n (%)

Stage I

107 (10.3%)

81 (11.1%)

26 (8.4%)

0.596

Stage II

295 (28.5%)

207 (28.5%)

88 (28.6%)

Ā 

Stage III

567 (54.8%)

392 (53.9%)

175 (56.8%)

Ā 

Stage IV

66 (6.4%)

47 (6.5%)

19 (6.2%)

Ā 

Radiation, n (%)

None

765 (73.9%)

539 (74.1%)

226 (73.4%)

0.858

Yes

270 (26.1%)

188 (25.9%)

82 (26.6%)

Ā 

Chemotherapy, n (%)

None

613 (59.2%)

438 (60.2%)

175 (56.8%)

0.338

Yes

422 (40.8%)

289 (39.8%)

133 (43.2%)

Ā 

Marital, n (%)

Married

564 (54.5%)

397 (54.6%)

167 (54.2%)

0.211

Single

140 (13.5%)

92 (12.7%)

48 (15.6%)

Ā 

Separated

112 (10.8%)

87 (12%)

25 (8.1%)

Ā 

Widowed

219 (21.2%)

151 (20.8%)

68 (22.1%)

Ā 

NRLN, median (IQR)

Ā 

2 (1, 5)

2 (1, 4)

2 (1, 5)

0.255

NPLN, median (IQR)

Ā 

0 (0, 1)

0 (0, 1)

0 (0, 1)

0.880

LNR, median (IQR)

Ā 

0 (0, 0.8)

0 (0, 1)

0 (0, 0.67)

0.722

LODDS, median (IQR)

Ā 

-1.32 (-1.613, 0.591)

-1.32 (-1.61, 1.32)

-1.32 (-1.79, 0.29)

0.490

Size (mm), median (IQR)

Ā 

30 (20, 42)

30 (20, 40)

30 (20, 45)

0.742

Age (years), median (IQR)

Ā 

68 (60, 77)

69 (60, 78)

68 (59.75, 76)

0.382

Survival, median (IQR)

Ā 

28 (11, 56)

28 (11, 56)

30 (11, 56.25)

0.984

  1. NRLN number of resected lymph nodes, NPLN number of positive lymph nodes, LNR lymph node ratio, LODDS log odds of positive lymph nodes, IQR interquartile range.