Table 4 Univariable logistic regression analysis exploring potential risk factors for disturbed sleep quality at 6 months after surgery (n = 80)
Variable | B | p value | OR | 95% CI |
|---|---|---|---|---|
Gender | − 0.144 | 0.764 | 0.866 | 0.338–2.218 |
Age | 0.079 | < 0.001# | 1.082 | 1.039–1.127 |
BMI | 0.075 | 0.306 | 1.078 | 0.933–1.246 |
Previous stay in ICU (days) | 0.092 | 0.549 | 1.096 | 0.811–1.482 |
Use of analgesic (cases) | − 1.005 | 0.055 | 0.366 | 0.131–1.022 |
Use of hypnotics (cases) | − 0.144 | 0.764 | 0.866 | 0.338–2.218 |
Preoperative WBC (*109/L) | 0.066 | 0.307 | 1.068 | 0.941–1.213 |
Postoperative WBC (*109/L) | − 0.002 | 0.939 | 0.998 | 0.948–1.050 |
Preoperative Hb (g/L) | − 0.015 | 0.129 | 0.985 | 0.966–1.004 |
Postoperative Hb (g/L) | − 0.028 | 0.088 | 0.972 | 0.941–1.004 |
Preoperative Alb (g/L) | − 0.032 | 0.414 | 0.969 | 0.898–1.045 |
Postoperative Alb (g/L) | − 0.077 | 0.198 | 0.926 | 0.823–1.041 |
Preoperative CRP (mg/L) | 0.003 | 0.776 | 1.003 | 0.985–1.020 |
Postoperative CRP (mg/L) | − 0.001 | 0.867 | 0.999 | 0.987–1.011 |
Postoperative PCT (ng/ml) | − 0.498 | 0.091 | 0.608 | 0.341–1.083 |
Vegetation ≥ 10 mm | 0.191 | 0.673 | 1.210 | 0.500–2.931 |
Multi-valve involvement | − 0.0591 | 0.460 | 0.554 | 0.115–2.653 |
Complication of embolism | 0.088 | 0.869 | 1.092 | 0.385–3.094 |
PSQI during hospitalisation (points) | 0.166 | 0.008# | 1.181 | 1.045–1.334 |
ESS during hospitalisation (points) | 0.021 | 0.741 | 1.021 | 0.902–1.156 |
ESS ≥ 9 during hospitalization | − 0.068 | 0.896 | 0.935 | 0.338–2.587 |
Sleep efficiency (%) | − 0.200 | < 0.001# | 0.819 | 0.740–0.905 |
Sleep latency (min) | 0.073 | 0.345 | 1.076 | 0.924–1.252 |
Total time in bed (min) | − 0.012 | 0.069 | 0.988 | 0.976–1.001 |
Total sleep time (min) | − 0.015 | 0.001# | 0.985 | 0.976–0.995 |
Duration of awakenings (min) | 0.023 | 0.002# | 1.025 | 1.009–1.041 |
Frequency of awakenings | 0.110 | 0.015# | 1.116 | 1.022–1.219 |
Average duration of awakenings (min) | 0.263 | 0.073 | 1.300 | 0.976–1.732 |