Table 3.

Characteristics of the included studies for RSBI.

Author	Year	Country	Population	M/F	RSBI
					Success			Failure
					Mean	SD	N	Mean	SD	N
Abdelwahed et al. (13)	2019	Egypt	65	40/25	79.58	20	51	102	17.07	14
Alam et al. (14)	2022	Bangladesh	31	19/12	100.46	2.84	18	99	3.71	13
Elshazly et al. (15)	2020	Egypt	62	NR	43.95	14	34	54	25.48	28
Eltrabili et al. (16)	2019	Egypt	35	16/19	39	18	17	77	30	13
Farghaly et al. (17)	2017	Egypt	54	31/23	58.59	26	40	51	20.59	14
Ferrari et al. (18)	2014	Italy	46	34/12	70	20	29	126	30.71	17
Fossat et al. (19)	2022	France	100	NR	56	26	91	56	28.3	9
Kaur et al. (20)	2022	India	50	NR	46.61	18.	31	105	7.93	19
Li et al. (21)	2021	China	101	42/59	75.68	18.	69	105	16.07	32
Lin et al. (22)	2024	China	79	69/10	44.57	6.	57	73	16.85	22
Osman et al. (23)	2017	Egypt	68	NR	72.18	10	50	114	5.48	18
Palker et al. (24)	2018	USA	73	37/36	45.9	19	53	75.5	57.4	20
Sabetian et al. (25)	2024	Iran	50	39/11	38.24	7	26	120	16.86	24
Tenza-Lozano et al. (11)	2018	Spain	69	43/26	31.35	17	44	40	18.86	25
Theerawit et al. (10)	2018	Thailand	52	38/14	55.11	25	51	83	53.11	11