Table 2.

Prediction accuracy as measured by squared Pearson correlation coefficient R²

	G-CSF	IL-1α	IL-6	IL-10	MIP-1α	RANTES	TNFα
PLS (time-derived metrics)	0.93 (5)	0.49 (1)	0.63 (5)	0.62 (4)	0.49 (6)	0.65 (2)	0.75 (6)
PCR (time-derived metrics)	0.92 (2)	0.51 (2)	0.64 (21)	0.62 (16)	0.48 (10)	0.64 (2)	0.72 (15)
PLS (time-averaged data)	0.88 (5)	0.83 (6)	0.58 (6)	0.64 (5)	0.62 (5)	0.73 (5)	0.83 (5)
PCR (time-averaged data)	0.89 (10)	0.85 (10)	0.58 (13)	0.68 (10)	0.59 (9)	0.77 (9)	0.84 (13)

Number of principal components (for PCR) or latent variables (for PLS) are listed in parentheses.