Table 5.

Quality assessment for case study/case series that we include in this article.

Study title	Question 1	Question 2	Question 3	Question 4	Question 5	Question 6	Question 7	Question 8	Question 9	Question 10	Total qualityassessment score
The near-death experiences- is the presence always the higher self	No	Yes	Unclear	No	Unclear	Yes	Yes	Not applicable	No	Yes	4/10
2 native American near-death experiences	Unclear	Yes	Not applicable	Not applicable	YES	No	No	Not applicable	No	No	2/10
Near-death experiences in the very young	No	Unclear	Unclear	No	No	Yes	Yes	Yes	No	Yes	4/10
near-death experiences in India- a preliminary report	Yes	Unclear	Yes	No	No	Yes	Yes	Not applicable	No	Yes	5/10
The investigation of near-death experiences, and necessity of awareness about its elements	Yes	Yes	Yes	Yes	Yes	No	No	Not applicable	Yes	Yes	7/10
An Israeli account of a near-death experience: a case study of cultural dissonance	No	Yes	Yes	Not applicable	Unclear	Yes	Yes	Unclear	No	Yes	5/10
The devil in heaven: a near-death experience with both positive and negative facets	No	Yes	Unclear	No	Unclear	No	Yes	No	Unclear	Unclear	2/10
Near-death experiences and self-transformation	Yes	Yes	Not applicable	Not applicable	Not applicable	Yes	Yes	Yes	Yes	Yes	7/10
Three cases of near-death experience: is it physiology, physics or philosophy?	No	Yes	Yes	Not applicable	Unclear	Yes	Yes	No	No	Yes	5/10
A near-death experience in a 7-year-old child	No	Yes	No	Not applicable	Yes	Yes	Yes	Unclear	Yes	Yes	6/10
Near-death-like experiences without life-threatening conditions or brain disorders: a hypothesis from a case report	No	Yes	Yes	Not applicable	No	Yes	Yes	Yes	Unclear	Yes	6/10
Near-death experience in a boy undergoing uneventful elective surgery under general anesthesia	No	Yes	Yes	Not applicable	No	Yes	Yes	Unclear	Unclear	Yes	5/10
Verified account of near-death experience in a physician who survived cardiac arrest	Yes	Yes	Yes	Not applicable	No	Yes	Yes	Unclear	Unclear	Yes	6/10
Out-of-body experience during awake craniotomy	No	Yes	Yes	Not applicable	No	Yes	Yes	Unclear	Yes	No	5/10
Can experiences near death furnish evidence of life after death?	No	Yes	Yes	Not applicable	No	Yes	Yes	Unclear	Unclear	Yes	5/10
Phenomenology of near-death experiences: an analysis of a Maori case study	No	Yes	Unclear	Unclear	Unclear	Yes	No	Yes	Unclear	Yes	4/10
Getting comfortable with near-death experiences. my unimaginable journey: a physician's near-death experience	No	Yes	Yes	Not applicable	No	Yes	Yes	Unclear	Yes	Yes	6/10
A near-death experience: a surgeon's validation	No	Yes	Unclear	Not applicable	No	Yes	Yes	No	No	No	3/10
My deaths direct my life: living with near-death experience	No	Yes	Yes	Not applicable	No	Yes	Yes	Yes	No	Yes	6/10
An unanticipated cardiac arrest and unusual post resuscitation psycho-behavioral phenomena/ near death experience in a patient with pregnancy induced hypertension and twin pregnancy undergoing elective lower segment cesarean section	No	Yes	Unclear	Not applicable	No	Yes	Yes	Yes	Yes	Yes	6/10
Near-death experience by proxy: a case study	No	Yes	Unclear	Unclear	Unclear	Yes	No	Yes	Unclear	Yes	4/10
The near-death experience of a non-verbal person with congenital quadriplegia	No	Yes	Unclear	No	Unclear	Yes	Yes	No	Unclear	Unclear	3/10
Out-of-body experiences in the blind	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes	Unclear	Yes	8/10
Pediatric near-death experiences	Yes	Yes	Yes	Unclear	Yes	Yes	Yes	Yes	Yes	Yes	9/10
Near-death experiences: perception is reality	No	Unclear	Yes	Unclear	No	No	No	No	Unclear	Unclear	1/10
Three near-death experiences with premonitions of what could have been	No	Yes	Unclear	No	Unclear	Yes	Yes	No	Unclear	Unclear	3/10
Near-death experiences in a pediatric population- a preliminary report	Yes	Yes	Unclear	Yes	Yes	Yes	Yes	No	No	Yes	7/10
A physician's near-death experience	No	Unclear	Yes	Unclear	Unclear	Yes	Yes	No	No	No	2/10
Exploring the mystery of near-death experiences	No	No	Yes	Unclear	Unclear	No	Yes	No	No	No	2/10
Amazing grace: the near-death experience as a compensatory gift	Yes	Yes	Unclear	No	Unclear	No	Yes	No	No	No	3/10
Near-death experiences in india: they have tunnels too	Yes	Yes	Yes	Yes	Yes	Unclear	Yes	Yes	Yes	Yes	9/10
A near-death experience among the Mapuche people	No	Unclear	Unclear	Unclear	Unclear	No	No	No	No	No	0/10
A near-death experience followed by the visitation of an “angel-like” being	Not applicable	Not applicable	Not applicable	Not applicable	Not applicable	Yes	Unclear	Yes	Yes	Yes	4/10
Near-death experiences in South India: a Systematic survey	Yes	Yes	Unclear	Yes	Yes	Yes	Unclear	No	Yes	Yes	7/10
Different kinds of near-death Experience: a report on a survey of near-death experiences in Germany	Yes	Yes	Yes	Yes	Yes	Unclear	No	Unclear	Yes	Yes	7/10
A Hawaiian near-death experience	No	Yes	Unclear	No	Unclear	No	Yes	No	No	Yes	3/10
The near-death experience as a shamanic initiation: a case study	Yes	Yes	Yes	Not applicable	Not applicable	Yes	Yes	No	No	Yes	6/10
A child's encounter with the devil: an unusual near-death experience with both blissful and frightening elements	Not applicable	Not applicable	yes	Not applicable	Not applicable	Yes	Yes	Yes	Yes	Yes	6/10
Near-death experience and out of body phenomenon during torture–a case report	No	Yes	Yes	Not applicable	Unclear	Yes	Yes	No	Yes	Yes	6/10
A near-death experience at birth	Yes	Yes	Unclear	Not applicable	Unclear	Yes	Yes	Yes	No	Yes	6/10
Recurrent near-death experience with post-vagotomy syndrome	No	Yes	Yes	Not applicable	Unclear	Yes	Yes	No	Yes	Yes	6/10
Full neurological recovery from Escherichia coli meningitis associated with near-death experience	Not applicable	Yes	Yes	Not applicable	Unclear	Yes	Yes	Yes	Yes	Yes	7/10
[Migraine with multiple visual symptoms and out-of-body experience may mimic epilepsy]	Not applicable	Yes	Yes	Not applicable	Unclear	Yes	Yes	Unclear	Yes	Yes	6/10
Out-of-body experience during awake craniotomy	Not applicable	Yes	Yes	Not applicable	Unclear	Yes	Yes	No	Yes	Yes	6/10
[Out-of-body experience as possible seizure symptom in a patient with a right parietal lesion]	Not applicable	Yes	Unclear	Not applicable	Unclear	Yes	Yes	Unclear	Yes	Yes	5/10
Out-of-body experience and auditory and visual hallucinations in a patient with cardiogenic syncope: crucial role of cardiac event recorder in establishing the diagnosis	Not applicable	Yes	Unclear	Not applicable	Unclear	Yes	Yes	Yes	Yes	Yes	6/10
The near-death experience as a focus of clinical attention	Yes	Yes	Yes	Unclear	Unclear	Yes	Yes	No	Unclear	Yes	6/10

Answer only with: yes/ no/ unclear/not applicable.