please assess the quality of the studies based on table of my data for systematic literature review: Objective	Kind of study	Data Collection Method	Age Range	Source	Sample Size	Gender	Level of Injury	Duration of Injury	Cause of Injury	Type	Treatment	Conclusion
The presence of depression	descriptive and comparative study	Beck depression inventory (BDI)	13-63	Imam Khomeini hospital and Red
Crescent Center of Tehran	51	36 male and 15 females	Cervical, thoracic, and lumbar	Not reported	Not reported	Not reported	-	SCI were at risk for different degrees of depression and the distribution of the individuals showed that the severity of depression increases with age increase, but it was not different in terms of gender and level of SCI
The relationship between religion, spirituality, and mental health	Cross-sectional study	The Hospital Anxiety and Depression Scale (HADS); The Brief Religious Coping Questionnaire (RCOPE); The Spiritual Well-Being Scale (SWBS)	19-63	Imam Khomeini hospital	213	165 male and 45 females	Not reported	0.08–33.0	Not reported	99 incomplete and 114 complete	-	depression and anxiety are two psychologically important side effects after SCI
The prevalence of female sexual dysfunction (FSD) and sexual distress	Cross-sectional study	FSFI; Hospital anxiety and depression scale (HADS); Female sexual distress scale-revised (FSDS-R)	30-51	Imam Khomeini hospital	105	female	37 Cervical, 45 thoracic, and 23 lumbar-sacral	longer than 6 months	9 Fall 
12 Impact of object on the body  
84 Car accident	60 A; 15 B; 10 C; 15 D; 5 E	-	Sexual dysfunction is highly prevalent among Iranian women with SCI
Evaluate bone mineral density (BMD) and serum vitamin D levels	Cross-sectional study	Dual-energy X-ray absorptiometry	36–54 female
14–73
male	Imam Khomeini hospital	60	116 male and 32 females	Not reported	Not reported	Not reported	Not reported	-	reduction of BMD was more
severe in femoral bone sites and higher reduction of
lumbar BMD was shown when the level of injury is
above T6. We detected a significantly higher vitamin
D deficiency in individuals with SCI
Monitor Iranian veterans with spinal cord injuries (SCI) over a period of three years	Prospective study	General physicians’ monthly visits and self-reported complaints from telephone calls	39-53	Not reported	1984	1950 male and 34 females	219 Cervical, 1256 thoracic, and 472 lumbar
37 sacral	Not reported	Bullets and shrapnel, road traffic accidents, and city bombardments during the Iraq-Iran war	174 incomplete and 1810 complete	-	pressure area ulcers, reactions to severe stress and 
adjustment disorders, diabetes mellitus and kidney and/or urologic disorders are 
common
Evaluate passive knee stiffness and viscosity	cross-sectional	Passive pendulum test of Wattenberg	25-44	An outpatient physical therapy clinic, University of social welfare and Rehabilitation Science, Iran.	15	8 male and 7 females	T4–L1	Not reported	9 Motor vehicle accident; 2 Fall; 1
Gunshot; 1 Lifting heavy objects; 2 Myelin viruses 	Not reported	-	passive knee stiffness is significantly higher in individuals with paraplegic SCI
Evaluate the effects of type and level of injury on respiratory function	Cross-sectional retrospective descriptive study	Review of medical records	43-56	Khatam Alanbia Hospital	368	male	32 Cervical, 240 thoracic, and 96 lumbar	Not reported	Bullets and shrapnel, road traffic accidents, and city bombardments during the Iraq-Iran war	248 incomplete and 120 complete	-	respiratory status in the screening was appropriate, indicating proper regular visits of veterans at home
Evaluate fatigue, depressive mood, and pain	Cross-sectional	Modified Fatigue Impairment Scale (MFIS-SCI), Beck Depression Inventory (BDI), and Numerical Rating Scale (NRS)	21-49	Imam Khomeini hospital	30	24 male and 6 females	2 Cervical, 8 thoracic, and 20 lumbar	longer than one year	Not reported	Not reported	-	53.3% of patients were fatigued, and higher scores in BDI were significantly associated with higher scores of MFIS-SCI in all domains of cognitive, physical, and psychosocial. Injury level significantly influenced the MFIS-SCI scores, while no correlation was observed between the injury level and the BDI score. Pain severity did not show a significant association with the BDI score or the MFIS-SCI score in all three domains.
Investigating the prevalence of obesity and overweight	Cross-sectional - analytical	Body mass index	Age over 20	Khatam Alanbia Hospital	850	833 male and 17 females	Not reported	longer than one year	Not reported	Not reported	-	42% of patients were overweight or obese, which is lower than the prevalence in the general Iranian population. There was a significant correlation between age and body mass index (BMI), with older patients having higher BMIs. However, there was no significant difference in BMI between patients with different levels of spinal cord injury.
investigate the prevalence of adjustment disorders (AJD) and psychological defense mechanisms	Observational cross-sectional	DSM-V criteria for AJD diagnosis and Defense Style Questionnaire (DSQ-40)	20-40	Imam Khomeini hospital	23	18 male and 5 females	13 Cervical, 10 thoracic, and 10 lumbar	5-13	Road accidents - 17 
Falling - 4 
Crash under heavy objects - 2	9 A; 8 B; 5 C; 1 D	-	28% of the participants were diagnosed with AJD according to DSM-V criteria. The dominant defense style used by individuals with SCI with adjustment disorder was neurotic style, with idealization being the most commonly used defense mechanism. 
estimate the prevalence of biochemical androgen deficiency	Retrospective cross-sectional	Androgen and testosterone levels	24–77	Khatam Al-Anbia hospital	319	male	Cervical 45;
Thoracic 204; Lumbosacral 69	2–33	Not reported	ASIA score A (complete) 169; ASIA score B–D (incomplete) 137	-	32.6% had total testosterone deficiency and 29.1% had biochemical androgen deficiency. Of those with biochemical androgen deficiency, 93.5% and 85.7% had luteinizing hormone (LH) and follicle stimulating hormone (FSH) within or below the normal ranges, respectively.
the medical records of veterans	descriptive cross-sectional	drug interactions	41-74	Khatam Al-Anbia hospital	404	male	Not reported	29-35	Not reported	262 incomplete and 142 complete	-	almost all veterans
with spinal cord injury had drug interaction
evaluates the prevalence and different types of pain	Cross-sectional study	demographic questionnaires and the short-form McGill pain questionnaire (SF-MPQ-2)	18 - 75	Imam Khomeini hospital	89	18 male and 5 females	Cervical 17;
Thoracic 60; Lumbosacral 12	1-5	Accident 58;
Falling 19;
Heavy object falling on the patient 6; Violence 4; Diving 2	71 paraplegics;
18 quadriplegics	-	62% of the SCI patients suffered from pain for more than a month
investigate calcium and vitamin D plasma concentration and nutritional intake status	Cross-sectional study	Serum calcium
and phosphorus were analyzed using Pars Azmoon kits
(Pars Azmoon Co., Iran) by the enzymatic colorimetric
estimation with o‑cresolphthalein complexone method	18 - 62	Imam Khomeini hospital	160	131 males and 29 females	Not reported	2-40	Not reported	Complete 48 
Incomplete 112 	-	the amount of calcium intake was similar between two genders and similarly no difference in the amount of phosphor intake could be detected among men and women
Evaluate and report sleep quality	Cross-sectional study	Pittsburgh Sleep Quality Index (PSQI)	19-47	Imam Khomeini hospital	100	74 male and 26 females	Cervical 29;
Thoracic 65; Lumbosacral 6	Not reported	Not reported	Not reported	-	decreased sleep quality