Table 1.

Descriptive statistics of MTT test results when fibroblasts were cocultured with sols of nanocrystalline cerium oxides.

Group	N	Mean	Std. Deviation	Std. Error	Percentage of Cell Viability	95% Confidence Interval for Mean		Minimum	Maximum
						Lower Bound	Upper Bound
Control	12	0.346	0.013	0.004	100.0	0.338	0.355	0.323	0.363
CeO-NPs-1 (10−2 M)	12	0.349	0.009	0.003	100.9	0.343	0.355	0.337	0.366
CeO-NPs-1 (10−3 M)	12	0.466	0.015	0.004	134.7	0.456	0.475	0.432	0.490
CeO-NPs-1 (10−4 M)	12	0.437	0.020	0.006	126.3	0.425	0.450	0.409	0.467
CeO-NPs-1 (10−5 M)	12	0.395	0.021	0.006	114.2	0.381	0.408	0.367	0.425
CeO-NPs-1 (10−6 M)	12	0.372	0.011	0.003	107.5	0.365	0.379	0.356	0.393
CeO-NPs-2 (10−2 M)	12	0.274	0.012	0.003	79.2	0.266	0.281	0.259	0.294
CeO-NPs-2 (10−3 M)	12	0.373	0.017	0.005	107.8	0.362	0.383	0.342	0.405
CeO-NPs-2 (10−4 M)	12	0.416	0.036	0.010	120.2	0.393	0.438	0.353	0.468
CeO-NPs-2 (10−5 M)	12	0.359	0.023	0.006	103.8	0.345	0.373	0.331	0.399
CeO-NPs-2 (10−6 M)	12	0.456	0.040	0.011	131.8	0.430	0.481	0.387	0.526
Total	132	0.386	0.058	0.005	111.6	0.376	0.396	0.259	0.526