Table 2.

Associations between preoperative sleep patterns and the outcome on the day of surgery.

		TST-pre	DST-pre	LST-pre	REMST-pre	SOL-pre	SE-pre	FOA-pre	AHI-pre
Perioperative outcomes
Heart rate	r	0.142	0.146	−0.019	0.040	−0.141	0.113	−0.038	0.095
	p	0.139	0.127	0.844	0.680	0.141	0.240	0.696	0.326
Systolic pressure, mmHg	r	−0.058	−0.086	−0.091	0.152	−0.029	0.118	−0.081	0.095
	p	0.548	0.371	0.343	0.114	0.762	0.221	0.403	0.322
Diastolic pressure, mmHg	r	0.014	−0.042	−0.059	0.082	0.056	0.062	0.035	0.180
	p	0.887	0.661	0.538	0.396	0.564	0.522	0.714	0.060
Glucose, mmol/L	r	−0.190	−0.248	−0.098	−0.021	0.100	−0.071	0.234	−0.023
	p	0.047	0.009	0.310	0.831	0.300	0.462	0.014	0.815
Dosage of propofol, mg	r	−0.015	0.033	−0.108	0.127	0.058	0.007	−0.055	0.082
	p	0.876	0.734	0.263	0.190	0.552	0.944	0.573	0.398
Dosage of opioids, ug
Sufentanil	r	−0.092	0.036	−0.172	−0.022	0.171	0.006	−0.134	0.101
	p	0.519	0.799	0.223	0.877	0.226	0.965	0.343	0.475
Remifentanil	r	0.117	0.066	0.172	−0.032	−0.035	0.041	0.016	0.099
	p	0.394	0.631	0.209	0.818	0.802	0.768	0.905	0.470
Dosage of vasoactive drugs, mg	r	−0.069	−0.120	0.106	0.017	0.159	−0.126	0.068	−0.033
	p	0.472	0.213	0.270	0.860	0.097	0.188	0.481	0.733
Neutrophil-to-lymphocyte ratio	r	−0.192	−0.053	−0.205	−0.108	0.090	−0.078	0.219	0.232
	p	0.044	0.581	0.032	0.262	0.351	0.421	0.021	0.015
Monocyte-to-lymphocyte ratio	r	0.029	0.019	0.045	−0.154	−0.100	0.114	0.046	−0.110
	p	0.762	0.847	0.641	0.109	0.297	0.236	0.631	0.251
C-reactive protein, mg/L	r	0.007	−0.076	0.089	0.014	−0.099	0.036	−0.002	−0.084
	p	0.939	0.432	0.354	0.886	0.303	0.711	0.987	0.381

TST-pre, preoperative total sleep time; DST-pre, preoperative deep sleep time; LST-pre, preoperative light sleep time; REMST-pre, preoperative rapid eye movement sleep time; SOL-pre, preoperative sleep onset latency; SE-pre, preoperative sleep efficiency; FOA-pre, preoperative frequency of awakenings; AHI-pre, preoperative apnea-hypopnea index. The bold values indicate the p-value of < 0.05.