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Table 3 phospho-eIF2α protein expression.

From: Cigarette smoke induces endoplasmic reticulum stress and the unfolded protein response in normal and malignant human lung cells

Diagnostic Group N Mean +/- SD P-value
Normal 8 0 --
Small Cell Carcinoma 4 3.00 ± 4.13 0.0875
Non-Small Cell Carcinoma 93 2.61 ± 2.77 0.0025*
Mixed Carcinoma 8 1.79 ± 2.39 0.0879
  1. Mean immunostaining levels (± SD) and results of statistical testing for differences between the normal diagnostic group and each carcinoma type diagnostic group.
  2. *Statistically significant (α = 0.05)