Circadian variations in the occurrence of first‐ever intracerebral hemorrhage from different sources of income: a hospital‐based cross‐sectional study

Table 1 Available evidence on patterns of onset of ICH for nearly 30 years

Ref.	Author, year	Country	Cases (n)	Peak
[7]^a	Omama et al., 2006	Japan	3852	06:00-08:00h and 18:00-20:00h
[8]^a	Spengos et al., 2003	Greece	200	08:00-10:00h and 16:00-18:00h
[9]	Inagawa et al., 2000	Japan	267	08:00-10:00h and 18:00-20:00h
[10]	Sloan et al., 1992	USA	237	10:00-12:00h and 18:00-20:00h
[11]	Fodor et al., 2014	Romania	94	06:00-12:00h
[12]^a	Butt et al., 2009	Pakistan	329	08:00-12:00h
[13]	Passero et al., 2000	Italy	778	06:00-12:00h
[14]	Gallerani et al., 1994	Italy	161	06:00-12:00h
[15]	Ricci et al., 1992	Italy	375	06:00-12:00h
[16]^a	Inagawaet et al., 2003	Japan	350	18:00-20:00h
[17]	Cheung et al., 2001	China	177	12:00-18:00h
[18]^a	Nyguist et al., 2001	USA	137	08:00-16:00h
[19]^a	Turin et al., 2013	Japan	335	Awake
[20]	Nagakane et al., 2006	Japan	129	Awake
[21]	Kocer et al., 2005	Turkey	240	03:00-06:00h and 15:00-18:00h^b
[22]	Wroe et al., 1992	UK	66	10:00-12:00h^b
[23]^a	Kelly-Haues et al., 1995	USA	43	08:00-16:00h^b

ISSN: 1471-2377