. 2012 Jul 19;5:139–150. doi: 10.2147/CEG.S31799

Table 1.

Slope, intercept, and determination coefficient (R²) of linear regression analysis of calibration curves for PEG 400, PEG 1500, and PEG 3350

	Slope^a	Y intercept^a	X intercept	R²
PEG 400	8.761e + 006 ± 489706	−95362 ± 43874	0.01088	0.9816
PEG 1500	7.846e + 007 ± 3.468e + 006	−743532 ± 310682	0.00948	0.9884
PEG 3350	1.955e + 008 ± 1.388e + 007	−1.718e + 006 ± 816305	0.00879	0.9754

Note:

Data are presented as the mean ± standard deviation.

Abbreviations: PEG, polyethylene glycol; h, hour.