Table 4.

Result of F test statistics and correlation coefficients for hemoglobin predictions

All anesthetics	HbO fit				HbR fit
	F		R		F		R
	no BF	BF	no BF	BF	no BF	BF	no BF	BF
P1	28	17	0.64	0.69	37	21	0.69	0.72
N1	19	193	0.57	0.95	18	148	0.56	0.94
P2	5	14	0.33	0.65	4	12	0.32	0.62
P1 N1	25	97	0.75	0.95	31	90	0.78	0.95
P1 P2	22	27	0.73	0.86	28	29	0.77	0.87
P1 N2	16	15	0.67	0.79	21	17	0.72	0.80
N1 P2	19	152	0.70	0.97	20	144	0.71	0.97
N1 N2	25	180	0.75	0.97	26	156	0.75	0.97
P2 N2	39	309	0.82	0.98	37	239	0.81	0.98
P1 N1 P2	16	147	0.75	0.98	20	109	0.79	0.97
P1 N1 N2	19	166	0.77	0.98	23	132	0.81	0.98
P1 P2 N2	32	219	0.84	0.98	36	160	0.86	0.98
N1 P2 N2	32	203	0.85	0.98	26	156	0.82	0.98
P1 N1 P2 N2	177	175	0.97	0.99	122	114	0.96	0.98

F test statistics and R of HbO and HbR predictions.