Summary of key studies on survival prediction in triple-negative breast cancer (TNBC), including cohort characteristics, feature sets, modeling approaches and performance metrics.
| Reference | Author, date | Outcome | Data specifications | Features | Method | Evaluation | Results |
|---|---|---|---|---|---|---|---|
| [5] | Zarean Shahraki et al., 2023 | Survival prediction in different molecular subgroups in TNBC | 3,580 patients (1991–2021), Shahid Beheshti University’s Cancer Research Center, Iran | Demographic features such as age, clinical features such as tumor stage, and treatment-related features such as the type of surgery | Time-to-event deep learning-based models (N-net survival model) | Cross-validation | 5-year survival probability risk: 84%, 10-year: 74%, 15-year: 66% |
| [6] | Zhou and Chen, 2023 | Investigate prognostic factors and survival outcomes in TNBC | 33,654 TNBC patients, SEER database, USA | Demographic features such as age, clinical features such as histologic grade, and treatment-related features such as surgery of the primary site | Univariable and multivariable Cox regression | Hold-out method, internal and external validation | C-index: 0.79 (internal), 0.79 (external)Better outcomes for younger, white, married individuals with lower disease grade and stage |
| [7] | Meng et al., 2023 | Predict 10-year survival outcomes in non-metastatic TNBC patients | 32,836 non-metastatic TNBC patients (2010–2019), SEER database, USA | Demographic features such as age at diagnosis, clinical features such as histologic grade, and treatment-related features such as surgery | The least absolute shrinkage and selection operator (Lasso) regression | Hold-out method | AUC: 0.86 for 1 year after diagnosis, 0.75 for 10 years after diagnosis |
| [8] | Chen et al., 2022 | Determine BCSS and overall survival (OS) in female patients with metastatic TNBC | 1,962 metastatic TNBC female patients (2010–2017), SEER database, USA | Demographic features such as age at diagnosis, clinical features such as tumor stage, and the feature of metastasis in different organs, such as bone metastasis | Cox regression | Hold-out method | 1-year BCSS: 56.55%, 2-year: 29.86%, 3-year: 19.71%1-year OS: 52.55%, 2-year: 26.03%, 3-year: 16.69% |
| [9] | Sheng et al., 2022 | Predict disease free survival (DFS) models using a combination of clinical features, ultrasound, and mammography | 636 TNBC patients (2011–2015), China | Demographic features such as age, clinical features such as histologic grade, and treatment-related features such as adjuvant chemotherapy | Multivariate logistic regression, Cox regression | Hold-out method, 0.69 (validation) | C-index: 0.69 (training), 0.69 (validation)1-year DFS AUC: 0.78 (training), 0.49 (validation)3-year DFS AUC: 0.70 (training), 0.72 (validation)5-year DFS AUC: 0.69 (both training and validation) |
| [10] | Huang et al., 2022 | Assess the impact of chemotherapy on survival and predict OS in TNBC | 4,696 TNBC patients (2010–2016), SEER database, USA | Demographic features such as age, clinical features such as tumor status, and treatment-related features such as surgical approach | Nine ML models, with a focus on LightGBM | Ten-fold cross-validation | AUC: 0.81, accuracy: 85% for OS |
| [11] | Haiderali et al., 2021 | Predict event free survival (EFS), time to recurrence, and OS in TNBC patients | 450 TNBC patients (236 received neoadjuvant treatment, 72 received neoadjuvant therapy with surgery, 102 had only surgery, and 40 did not receive any treatment or surgery), USA | Demographics such as age at initial TNBC diagnosis, treatment-related features such as duration from initial TNBC diagnosis to surgery, and information about the initial diagnosis of the disease | Cox regression | Within-group comparisons by pCR status | Mortality rates: surgery (23.6%), neoadjuvant (16.5%), surgery + neoadjuvant (14.7%), no treatment (35%) |
| [12] | Cui et al., 2021 | Investigate 3-year and 5-year OS and BCSS in TNBC patients | 4,593 TNBC patients aged 18–45 (2010–2015), SEER database, USA | Demographic features such as age, clinical features such as tumor size, and treatment-related features such as breast surgery | Cox regression | Hold-out method | AUC:0.78 (3-year OS)0.77 (5-year OS)0.78 (3-year BCSS)0.77 (5-year BCSS) |
| [13] | Shi et al., 2019 | Predict the prognosis of TNBC | 379 TNBC patients from China (2008–2014), First Affiliated Hospital of Wenzhou Medical University, China | Demographic features such as age, clinical, and treatment-related features such as surgery type, blood factor features such as neutrophils | Univariate and multivariate Cox regression | Hold-out method | C-index:0.69 (DFS)0.740 (OS)5-year ROC:0.66 (DFS)0.70 (OS) |
| [14] | Yang et al., 2019 | Predict DFS and OS for operable TNBC based on Chinese breast cancer data | 296 invasive operable TNBC patients (2002–2014), Sun Yat-sen Memorial Hospital (108 patients, The Second Xiangya Hospital and Peking University Shenzhen Hospital, external validation), China | Demographic features such as age, clinical features such as tumor size, and treatment-related features such as surgery type | Cox multivariate analysis | Bootstrapping, external validation | C-index:0.74 (DFS training)0.78 (DFS validation)0.79 (OS training)0.78 (OS validation) |
| [15] | Guo et al., 2018 | Predict BCSS and OS in TNBC patients | 21,419 TNBC patients (2010–2015), SEER 19 Cancer Registry, USA | Demographic features such as age, clinical features such as grade | Log-rank tests, Cox analysis, competing risk model | Hold-out validation | C-index:0.78 (OS internal)0.79 (BCSS internal)0.77 (OS external)0.79 (BCSS external)1-year BC-specific mortality: 2.7%, 3-year: 12.5%, 5-year: 17.1% |
| [16] | Lin et al., 2018 | Predict the prognosis of patients with TNBC | 404 TNBC patients from the Affiliated Union Hospital of Fujian Medical University (2006–2012) for training, 200 patients (2012–2014) for validation, China | Clinical features such as tumor size, laboratory features such as CA125 | Univariate and multivariate Cox regression | External validation | C-index of OS: 0.76 (training), 0.72 (validation) |
AUC: area under the curve; C-index: concordance index; pCR: pathological complete response; ROC: receiver operating characteristic.