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Table. 1.

OS differences and HRs according to different PHB2 IHCS cutoff scores in CN-AML patients

IHCS cutoff* Survival rate HR


Normal group (%) Overexpressing group (%) OS difference (%) P HR P
1 40.0 29.1 10.9 0.864 1.06 (0.53–2.11) 0.864
2 43.5 27.5 16.0 0.373 1.31 (0.73–2.35) 0.374
3 42.9 26.9 16.0 0.212 1.41 (0.82–2.41) 0.214
4 44.8 26.1 18.7 0.130 1.51 (0.88–2.59) 0.133
5 46.9 25.1 21.8 0.052 1.67 (0.99–2.84) 0.055
6 44.7 22.5 22.3 0.031# 1.64 (1.04–2.58) 0.033#
7 32.9 27.0 5.9 0.417 1.18 (0.79–1.78) 0.416
8 31.6 20.0 11.6 0.092 1.68 (0.92–3.08) 0.094

*The IHCS cutoff was scored on a scale of 0–8, the sum of a diffuseness score (0–5), and an intensity score (0–3) [1]; #P<0.05*; Lower confidence interval - upper confidence interval.

Abbreviations: OS, overall survival; HR, hazard ratio; IHCS, immunohistochemical staining; PHB2, prohibitin 2; CN-AML, cytogenetically normal acute myeloid leukemia.

Ann Lab Med 2022;42:585~589 https://doi.org/10.3343/alm.2022.42.5.585

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