Table 5 Cox regression analysis of tumor history on the cancer-specific 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

1.27 (1.03–1.57)

0.024

1.09 (0.84–1.41)

0.503

Test set

No (ref)

1

1

Yes

4.38 (1.76–10.90)

0.001

1.93 (1.30–2.86)

0.001

  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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