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. 2014 Jan 28;9(1):e87280. doi: 10.1371/journal.pone.0087280

Table 2. Exponents c for the conversion formula D2 = D1 (T2/T1)c for 3 different SpO2 thresholds, seven different minimal desaturation durations and for all 12 infants (Group 1 & 2).

SpO2 Minimal desaturation Exponent c (95% CI)
Threshold (%) duration (sec) Group 1 & 2
90 1 −0.876 (−0.898; −0.854)
5 −0.433 (−0.476; −0.391)
10 −0.107 (−0.118; −0.096)
15 −0.020 (−0.028; −0.011)
20 0.050 (0.045; 0.055)
25 0.102 (0.093; 0.111)
30 0.129 (0.118; 0.139)
85 1 −0.954 (−0.991; −0.916)
5 −0.442 (−0.497; −0.388)
10 −0.051 (−0.065; −0.037)
15 0.056 (0.044; 0.069)
20 0.167 (0.156; 0.178)
25 0.260 (0.242; 0.277)
30 0.306 (0.287; 0.324)
80 1 −1.081 (−1.133; −1.029)
5 −0.473 (−0.534; −0.411)
10 −0.091 (−0.115; −0.066)
15 0.042 (0.021; 0.063)
20 0.156 (0.122; 0.191)
25 0.209 (0.171; 0.246)
30 0.333 (0.308; 0.357)