Table 2.

Correlation analysis between SL measured by actigraphy and SL assessed by PSQI scale

	SL (PSQI, min)	SL (actigraphy, min)	r	p
ID patients	80.43 ± 38.04	73.03 ± 39.16	0.77	< 0.001

Abbreviations: SL, sleep latency; PSQI, Pittsburgh Sleep Quality Index