Table 4.

Logistic regression model

Parameters	1 SD	Univariate OR (95%CI)	χ²	Model 1 OR (95%CI)	Model 2 OR (95%CI)	Model 3 OR (95%CI)
ln AHI (ln /h)	0.61	1.63 (0.68 – 4.20)	1.16	1.76 (0.17 – 21.3)	1.20 (0.45 – 3.36)	1.12 (0.40 – 3.24)
ln CAI (ln /h)	0.74	5.18 (0.47 – 72.9)	1.77	1.30 (0.58 – 3.01)	1.43 (0.60 – 3.66)	1.31 (0.53 – 3.42)
ln 3%ODI (ln /h)	0.22	2.81 (0.88 – 9.88)	3.02	1.73 (0.45 – 7.21)	1.95 (0.50 – 8.34)	1.59 (0.38 – 7.12)
ln 4%ODI (ln /h)	0.28	2.56 (0.97 – 7.33)	3.59	1.60 (0.58 – 4.88)	1.66 (0.57 – 5.31)	1.21 (0.71 – 2.07)
ln Minimum SpO₂ (%)	0.06	0.23 (0.01 – 6.63)	0.77	0.14 (0.01 – 6.26)	0.69 (0.02 – 4.62)	0.44 (0.01 – 3.24)
ln SD SpO₂ (%)	0.32	7.13 (1.40 – 41.5)	5.59	3.22 (0.53 – 21.7)	4.24 (0.63 – 33.1)	3.67 (0.50 – 29.6)
ln T90% (%)	1.70	1.49 (1.06 – 2.20)	5.38	1.40 (0.96 – 2.14)	1.39 (0.95 – 2.12)	1.36 (0.92 – 2.13)
ln AUT90% (%)	1.88	1.39 (1.03 – 1.95)	4.78	1.31 (0.95 – 1.92)	1.32 (0.93 – 1.91)	1.30 (0.92 – 1.92)
ln 3%AOD (%)	0.44	2.12 (1.18 – 4.15)	6.64	1.85 (0.97 – 3.98)	1.89 (0.95 – 4.08)	1.75 (0.87 – 3.87)
ln 4%AOD (%)	0.50	1.82 (1.10 – 3.24)	5.50	1.43 (0.86 – 2.61)	1.48 (0.85 – 2.77)	1.40 (0.80 – 2.62)
ln 3%POD (%)	0.27	4.17 (1.56 – 12.9)	8.49	3.40 (1.12 – 12.9)^*	3.67 (1.15 – 14.6)^*	3.66 (1.16 – 14.3)^*
ln 4%POD (%)	0.31	3.63 (1.49 – 10.3)	8.57	2.41 (1.01 – 6.73)^*	2.82 (1.05 – 9.21)^*	2.97 (1.09 – 9.67)^*

ln: natural logarithm, OR: odds ratio, CI: confidence interval. The other abbreviations are as in Tables 2 and 3. Model 1 was adjusted for the age, sex, IHD and LVEF. Model 2 was adjusted for the age, sex, CKD and LAD, and Model 3 was adjusted for the age, sex, DM and LAD.

p<0.05.