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. 2013 Jun 4;13:56. doi: 10.1186/1475-2867-13-56

Table 2.

Relationship between levels of serum ALP and AI of osteosarcoma

ALP* AI
- + ++ +++
Elevated
18
4
4
0
Normal 8 8 8 6

* Wilcoxon W rank test: Z=−2.332, P<0.05.