Recidivism of childhood cholesteatoma and surgical techniques: a meta-analysis study

Shewel, Yasser; Tawfik, Seddik Abdel Salam; Aaref, Abdulla A. L.; Saleh, Noha

doi:10.1186/s43163-020-00043-z

The Egyptian Journal of Otolaryngology

Table 1 Description of studies included in the meta-analysis

From: Recidivism of childhood cholesteatoma and surgical techniques: a meta-analysis study

Time	Author	Year	Location	Total patients	Affected ears	Patient demographics			No. of excluded ears*
Time	Author	Year	Location	Total patients	Affected ears	Male	Female	Mean age (years)	No. of excluded ears*
	Brown [16]	1982	Canada	98	98	60	38	9	-
Before 2000	Charachon and Gratacap [19]	1985	France	141	141	85	56	9.5	-
	Lau and Tos [13]	1987	Denmark	120	122	82	38	8.8	26 no mastoidectomy
	Edelstein et al. [15]	1988	USA	125	127	80	45	9.65	22 CC
	Marco-Algarra et al. [20]	1991	Spain	52	55	25	27	9.8	-
	Cruz et al. [21]	1990	Brazil	101	101	60	41	10.7	ـــــ
	Schmid et al. [22]	1991	Switzerland	55	57	32	23	8	2 CC
	Crellin et al. [23]	1991	UK	67	67	38	29	11	2
	Mills and Padgham [24]	1991	UK	54	57	30	24	10	27 other procedures
	Rigner et al. [25]	1991	Sweden	19	19	9	10	9	-
	Stern and Fazekas–May [26]	1992	USA	53	54	30	23	12	ـــــ
	Vartiainen and Nuutinen [27]	1993	Finland	50	54	36	14	10	10 no mastoidectomy
	Parisier et al. [28]	1996	USA	209	216	136	73	8.6	51 no mastoidectomy
	Stangerup et al. [29]	1998	Denmark	114	114	69	45	9	49 no mastoidectomy
	Dodson et al. [7]	1998	USA	66	73	34	32	10	15 no mastoidectomy
	Silvola and Palva [30]	1999	Finland	84	84	55	29	9.7	17 no mastoidectomy
During and after 2000	Darrouzet et al. [31]	2000	France	199	215	105	94	9.6	4 revision
	Ueda et al. [32]	2001	Japan	56	58	30	26	11	6 CC
	Gocmen et al [33]	2003	Turkey	114	114	71	43	13	ـــــ
	Ahn et al. [34]	2003	South Korea	118	121	90	28	10	ـــــ
	Schraff and Strasnick [8]	2006	USA	262	278	170	92	9	ـــــ
	Shirazi et al. [5]	2006	USA	106	106	68	38	10	20 CC
	Yung et al. [35]	2007	UK	50	52	29	21	10.5	11 no mastoidectomy
	Drahy et al. [36]	2012	France	21	22	14	7	9.7
	McRackan et al. [37]	2011	USA	493	517	304	189	9.78	57 no mastoidectomy
	Osborn et al. [38]	2012	Canada	420	435	289	131	10.8	26 revision
	Vincenti et al. [39]	2014	Italy	18	18	11	7	10.7	-
	Sergi et al. [40]	2014	Italy	33	36	19	14	10	3 lost follow up

USA United States of America, UK United Kingdom, CC congenital cholesteatoma
*These ears did not fulfill inclusion criteria of our study

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