Values for standard human blood O2 dissociation curve at 37 deg C, pH = 7.4
(PO2 in mmHg, saturation in %)
From:
Severinghaus, J. W. (1979). “Simple, accurate equations for human blood O2 dissociation computations.” J Appl Physiol 46(3): 599-602.
Extrapolated between points from: Roughton, F. J. and J. W. Severinghaus (1973). “Accurate determination of O2 dissociation curve of human blood above 98.7 percent saturation with data on O2 solubility in unmodified human blood from 0 degrees to 37 degrees C.” J Appl Physiol 35(6): 861-9.
| PO2 |
%S |
PO2 |
%S |
PO2 |
%S |
| 1 |
0.60 |
34 |
65.16 |
80 |
95.84 |
| 2 |
1.19 |
36 |
68.63 |
85 |
96.42 |
| 4 |
2.56 |
38 |
71.94 |
90 |
96.88 |
| 6 |
4.37 |
40 |
74.69 |
95 |
97.25 |
| 8 |
6.68 |
42 |
77.29 |
100 |
97.49 |
| 10 |
9.58 |
44 |
79.55 |
110 |
97.91 |
| 12 |
12.96 |
46 |
81.75 |
120 |
98.21 |
| 14 |
16.89 |
48 |
83.52 |
130 |
98.44 |
| 16 |
21.40 |
50 |
85.08 |
140 |
98.62 |
| 18 |
26.50 |
52 |
86.59 |
150 |
98.77 |
| 20 |
32.12 |
54 |
87.70 |
175 |
99.03 |
| 22 |
37.60 |
56 |
88.93 |
200 |
99.20 |
| 24 |
43.14 |
58 |
89.95 |
225 |
99.32 |
| 26 |
48.27 |
60 |
90.85 |
250 |
99.41 |
| 28 |
53.16 |
65 |
92.73 |
300 |
99.53 |
| 30 |
57.54 |
70 |
94.06 |
400 |
99.65 |
| 32 |
61.69 |
75 |
95.1 |
500 |
99.72 |
