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Table 7 Linear regression analysis for the influence of dyslipidemia-independent variables on quantitative dependent variables

From: Cardiometabolic comorbidities in obstructive sleep apnea patients are related to disease severity, nocturnal hypoxemia, and decreased sleep quality

  Model 1: Dyslipidemia Model 2: Diyslipidemia + adjustement (age, BMI, sex)
  Dependent variables R R2 P value R R2 P value
Demographic data NC 0.058 0.003 0.018 0.710 0.502 <0.0001
Alcool 0.032 0.000 NS 0.190 0.033 <0.0001
Polysomnographic data AHI 0.023 0.000 NS 0.351 0.121 <0.0001
AHI / REM 0.027 0.000 NS 0.353 0.123 <0.0001
AHI / NREM 0.023 0.000 NS 0.338 0.112 <0.0001
SE (%) 0.036 0.001 NS 0.251 0.061 <0.0001
TST (min) 0.018 0.000 NS 0.378 0.141 <0.0001
N3 (%) 0.043 0.001 NS 0.068 0.002 NS
REM (%) 0.074 0.005 0.002 0.204 0.039 <0.0001
ARI 0.067 0.004 0.005 0.182 0.031 <0.0001
Mean duration
AH REM (sec)
0.104 0.010 <0.0001 0.182 0.031 <0.0001
Mean duration
AH NREM (sec)
0.027 0.000 NS 0.200 0.038 <0.0001
PLM 0.001 0.001 NS 0.139 0.017 <0.0001
ODI 0.035 0.001 NS 0.229 0.050 <0.0001
Mean 02 saturation
TST (%)
0.033 0.000 NS 0.153 0.024 <0.0001
02 desaturation
< 90% (min)
0.051 0.002 0.036 0.252 0.061 <0.0001
Minimal 02
saturation (%)
0.054 0.002 0.030 0.277 0.074 <0.0001
Mean HR (beats/min) 0.035 0.001 NS 0.353 0.123 <0.0001
  1. BMI: body mass index, NC: neck circumference, AHI: apnea-hypopnea index, AH: apnea-hypopnea, REM: rapid eye movement sleep, NREM: non-rapid eye movement sleep, SL: sleep latency, TST: total sleep time, SE: sleep efficiency, N3: sleep stage 3, PLM: periodic leg movements index, ODI: oxygen desaturation index, ARI: arousal index, 02: oxygen, HR: heart rhythm. All the results are expressed as Mean + SD. NS: not significant