Table 4.
Correlation of sleep disorder parameters and laboratory parameters with BMD at the lumbar spine (L1–L4), the femoral neck and hip total
| Lumbar L1–L4 BMD r(p) | Femur neck BMD r(p) | Hip total BMD r(p) | |
|---|---|---|---|
| Age | -0.043(0.714) | -0.128(0.349) | 0.025(0.909) |
| Neck circumference | -0.077(0.546) | 0.260(0.053) | 0.274(0.196) |
| Waist circumference | -0.050(0.698) | 0.312(0.019*) | 0.415(0.044*) |
| BMI | 0.031(0.810) | 0.319(0.017*) | 0.457(0.025*) |
| AHI | -0.205(0.107) | 0.110(0.419) | 0.413(0.045*) |
| ODI | -0.205(0.115) | 0.036(0.799) | 0.346(0.098) |
| T90% | -0.192(0.142) | 0.039(0.780) | 0.269(0.204) |
| LaSO2 | 0.291(0.023*) | 0.102(0.462) | -0.161(0.451) |
| AHTI | 0.002(0.987) | 0.056(0.706) | 0.181(0.459) |
| ESS score | -0.138(0.281) | 0.054(0.691) | 0.376(0.070) |
| TC (mmol/L) | 0.165(0.284) | -0.152(0.350) | -0.063(0.861) |
| TG (mmol/L) | -0.021(0.891) | 0.191(0.237) | 0.486(0.057) |
| HDL-C (mmol/L) | -0.238(0.140) | -0.206(0.227) | -0.038(0.888) |
| LDL-C (mmol/L) | 0.206(0.201) | -0.253(0.137) | -0.235(0.380) |
| Fasting glucose (mmol/L) | 0.128(0.407) | -0.207(0.201) | -0.393(0.132) |
| Creatinine(μmol/L) | 0.079(0.609) | 0.114(0.484) | 0.295(0.268) |
| Glycated hemoglobin | 0.038(0.804) | -0.100(0.532) | -0.240(0.309) |
| Hs-crp(mmol/L) | -096(0.491) | -0.002(0.992) | 0.309(0.152) |
OSA Obstructive sleep apnea, BMD Bone mineral density, BMI Body mass index, AHI Apnea–hypopnea index, ODI Oxygen desaturation index, T90% the percentage of total sleep time spent with SpO2 < 90%, LaSO2 lowest O2 saturation, AHTI Apnea and hypopnea time index, ESS Score Epworth Sleepiness Scale score TC total cholesterol, TG Triglycerides, HDL-C High-density lipoprotein-cholesterol, LDL-C Low-density lipoprotein-cholesterol, Hs-crp High-sensitivity C-reactive protein, *p was considered statistically significant