Developing a shortened spine functional index (SFI-10) for patients with sub-acute/chronic spinal disorders: a cross-sectional study

Table 1 Demographics for all study participants

Study		n	Age x̄	Age SD	Female n	Female%	Cx	Tx	Lx	Multi
SFI-10 development and validation (Australian in English Language)		505	40.1	13.0	255	50.5	149	48	350	53
Bejer 2019 [19]	Polish SFI	225	45.7	16	135	60	92	38	114	19
Tonga 2015 [23]	Turkish SFI	285	45	1.0	207	73	129		151	5
Mokhtarinia 2018 [22]	Persian SFI	224	38.8	10.9	104	46.4	112	13	87	12
Freitas 2023 [26]	Brazilian SFI	194	29.1	8.5	136	70.1	38	60	96
							36.3%	11.1%	55.7%	6.2%
	TOTALS	1433	40.3 yrs Range 18-87 yrs	10.1 yrs	837	58.4%	520	159	798	89

SFI indicates 25-item Spine Functional Index, n number, x̄ mean, SD standard deviation, % percent, Cx cervical, Tx thoracic, Lx lumbar
* Subregion % values include multi-area individuals within each of their symptomatic regions making the total > 100%

ISSN: 1471-2474