Table 2.

Root mean squared error and R-square

Measurement	Fibrinogen Prediction Equation	RMSE	R-square
Fibcare
Total	1.02×Fibcare – 4.47	14.9 [12.7–17.1]	0.87 [0.83–0.91]
Mild	1.02×Fibcare – 3.18	16.1 [13.1–19.0]	0.86 [0.80–0.92]
Moderate or severe	1.04×Fibcare – 7.11	13.1 [10.0–16.2]	0.87 [0.80–0.95]
ActF-MA
Total	11.7×ActF-MA + 83.5	3.08 [2.64–3.52]	0.75 [0.68–0.82]
Mild	12.5×ActF-MA + 78.9	3.26 [2.67–3.85]	0.74 [0.65–0.82]
Moderate or severe	9.84×ActF-MA + 93.4	2.70 [2.19–3.21]	0.79 [0.69–0.90]

Data are presented as mean ± standard deviation or as number (of patients), as appropriate.

The correlation was analyzed in three categories of body temperature evaluated during CPB with: mild hypothermia (28–34°C); moderate or severe hypothermia (<28°C); and total patients.

CPB: cardiopulmonary bypass

ActF-MA: maximum amplitude of activator f

RMSE: root mean squared error