Table 3 Cox regression analysis of tumor history on the overall survival before and after IPTW. Significant values are in bold.

From: Development and validation of a machine learning-based survival prediction model for Asian glioblastoma patients using the SEER database and Chinese data

Outcomes

Before IPTW

After IPTW

HR (95%CI)

P value

HR (95%CI)

P value

SEER set

No (ref)

1

1

Yes

1.28 (1.05–1.57)

0.015

1.11 (0.87–1.42)

0.411

Test set

No (ref)

1

1

Yes

5.32 (2.30–12.30)

< 0.001

2.06 (1.30–3.25)

0.002

  1. Adjusted for year of diagnosis, age, gender, histologic type, primary site, laterality, tumor size, combined summary stage, surgery, radiotherapy, chemotherapy.
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