Table 1 Survival analysis in ALPL-low and ALPL-low samples (MSKCC data set)

From: Tumour-derived alkaline phosphatase regulates tumour growth, epithelial plasticity and disease-free survival in metastatic prostate cancer

  

Relapsed cases

 

ALPL status

Total cases with survival data (total cases)

Observed

Expected

Median months disease free

Low

71 (75)

12

19.4

NA

High

69 (75)

24

16.6

92.98

Hazard ratio (log rank)

 

ALPL-low

ALPL-high

Ratio (and its reciprocal)

0.4261

2.347

95% CI of ratio

0.2254–0.8360

1.196–4.437

  1. Abbreviations: CI=confidence interval; d.f.=degrees of freedom; MSKCC=Memorial Sloan Kettering Cancer Center; NA=not applicable.
  2. χ2=6.2 on 1 d.f., P=0.0127; n=140, and 10 observations were deleted owing to missingness.
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