Table 2 Median rates (95% CI) of absolute oxygen saturation change during desaturation

SpO₂

INVOS

EQUANOX

INVOS/EQUANOX (n = 6)

%/min

%/min

%/min

P value

Desaturation #1

4.2 (2.7, 5.2)

3.5 (2.9, 4.3)

2.3 (1.7, 2.8)

0.04^a

Desaturation #2

4.3 (3.5, 5.5)

4.0 (3.0, 4.7)

3.0 (2.0, 3.5)

0.04^a

SpO₂

INVOS

FORE-SIGHT

INVOS/FORE-SIGHT (n = 4)

%/min

%/min

%/min

P value

Desaturation #1

3.6 (2.9, 4.1)

3.0 (2.5, 3.5)

2.4 (1.8, 2.8)

0.10

Desaturation #2

3.7 (2.9, 5.0)

3.4 (2.4, 4.9)

2.2 (1.7, 4.0)

0.10