Skip to main content
. 2017 Mar 15;8(45):79147–79156. doi: 10.18632/oncotarget.16131

Table 1. Comparison of descriptive characteristics of the modeling and validation groups for the L-2-ALNM nomogram.

Variables Modeling No. (%) Validation No. (%) P-value
No. of Patients 568 (100%) 141 (100%)
L-2-ALNM 0.731
 Yes 149 (26.2) 39 (27.7)
 No 419 (73.8) 102 (72.3)
Age (year) 0.764
 ≤45 148(80.9) 420(79.8)
 >45 35(18.1) 106(20.2)
Menopausal status 0.090
 Premenopausal 319(56.2) 68(48.2)
 Postmenopausal 249(43.8) 73(51.8)
Tumor size (cm)
 Median (range)
3.5 (1.6-9.8) 3.5 (1.7-11.0) 0.688
Histological grade 0.255
 Ⅰ 17 (3.0) 1(0.7)
 Ⅱ 491(86.4) 127 (90.7)
 Ⅲ 60 (10.6) 12(8.6)
ER status 0.741
 Positive 363(63.9) 88(62.4)
 Negative 205(36.1) 53(37.6)
PrR status 0.001
 Positive 309(54.4) 54 (38.3)
 Negative 259(45.6) 87(61.7)
Her-2 status 0.105
 Positive 110(19.4) 19(13.5)
 Negative 458(80.6) 122(86.5)
Ki-67 status 0.466
 ≤20 393 (69.2) 102 (72.3)
 >20 175 (30.8) 39 (27.7)
(ER/PrR) status 0.570
 Positive 373 (65.7) 89(63.1)
 Negative 195 (34.3) 52(36.9)
Skin invasion 0.888
 Yes 74 (13.0) 19 (13.5)
 No 494 (87.0) 122 (86.5)
Rresponse to NAC 0.260
 PD 12 (2.1) 4 (2.8)
 SD 173(30.5) 33(23.4)
 PR 340(59.9) 89(63.1)
 CR 43 (7.6) 141(10.6)
Cycles of NAC
 Median (range)
4 (2-6) 4 (2-6) 0.053
Tumor location 0.029
 UOQ 364 (64.1) 76 (53.9)
 LOQ 34 (6.0) 10 (7.1)
 LIQ 18 (3.2) 6 (4.3)
 UIQ 108 (18.5) 25 (17.7)
 Central 47 (8.3) 24 (17.0)

Comparison between the modeling group and validation group by clinicopathological characteristics. Abbreviations:UOQ, upper outer quadrant; UIQ, upper inner quadrant; LOQ, lower outer quadrant; LIQ, lower inner quadrant; L-2-ALNM, level 2 axillary lymph node metastasis; NAC, neoadjuvant chemotherapy; PD, progressive disease; SD, stable disease; PR, partial remission; CR, complete remission.