Association of early interleukin-6 level with injury severity and mortality in trauma patients: Systematic review and meta-analysis

Table 3 The quality of studies included in the systematic review and meta-analysis was assessed according to the Newcastle-Ottawa Scale for cohort studies

Ref.	Selection	Comparability	Outcome	Score
Gołąbek-Dropiewska et al[7], 2018	4	0	3	7/8
Binkowska et al[8], 2018	4	2	3	9/9
Gupta et al[9], 2015	3	0	3	6/8
Stensballe et al[20], 2009	3	2	2	7/8
El-Menyar et al[10], 2021	3	2	3	8/8
Almahmoud et al[11], 2015	3	2	2	7/8
Alper et al[12], 2016	4	0	2	6/9
Ebrahimpour et al[13], 2018	3	0	3	6/8
Akkose et al[14], 2007	4	0	2	6/8
Bogner et al[15], 2009	3	0	3	6/8
Johansson et al[16], 2011	3	2	2	7/9
Yagmur et al[17], 2005	4	1	2	7/9
Sousa et al[18], 2015	3	0	3	6/8
Taniguchi et al[19], 2016	3	0	2	5/8
Laishram et al[21], 2024	2	0	3	5/8