Class information for:
Level 1: HYPNIC HEADACHE//MORNING HEADACHE//EXPLODING HEAD SYNDROME

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
26200 261 31.8 69%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
14 4 ORTHOPEDICS//DENTISTRY, ORAL SURGERY & MEDICINE//SPORT SCIENCES 808941
333 3       MIGRAINE//HEADACHE//CEPHALALGIA 37708
232 2             MIGRAINE//HEADACHE//CEPHALALGIA 20277
26200 1                   HYPNIC HEADACHE//MORNING HEADACHE//EXPLODING HEAD SYNDROME 261

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 HYPNIC HEADACHE authKW 4610584 20% 77% 51
2 MORNING HEADACHE authKW 974943 4% 83% 10
3 EXPLODING HEAD SYNDROME authKW 636962 3% 78% 7
4 SLEEP EVALUAT address 488132 4% 38% 11
5 NOCTURNAL HEADACHE authKW 467974 2% 100% 4
6 SLEEP APNOEA HEADACHE authKW 350981 1% 100% 3
7 SLEEP RELATED HEADACHE authKW 350981 1% 100% 3
8 HYPNIC authKW 311980 2% 67% 4
9 ELDERLY HEADACHE authKW 263234 1% 75% 3
10 SLEEP APNEA HEADACHE authKW 263234 1% 75% 3

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Clinical Neurology 9974 84% 0% 218
2 Neurosciences 1239 41% 0% 106
3 Psychiatry 60 7% 0% 17
4 Medicine, General & Internal 24 6% 0% 16
5 Anesthesiology 18 2% 0% 5
6 Pediatrics 9 3% 0% 8
7 Dentistry, Oral Surgery & Medicine 1 1% 0% 3
8 Respiratory System 1 1% 0% 3
9 Otorhinolaryngology 1 1% 0% 2
10 Psychology 0 1% 0% 2

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 SLEEP EVALUAT 488132 4% 38% 11
2 WESTGERMAN HEADACHE ESSEN 155990 1% 67% 2
3 EVALUAT TRAITEMENT DOULEUR POLE NEUROSCI C 116994 0% 100% 1
4 GERMAN MIGRAINE HEADACHE SOC 116994 0% 100% 1
5 HEADACHE AD T DISORDER 116994 0% 100% 1
6 HEADACHE TREATMENT DIAGNOSIS 116994 0% 100% 1
7 IRCCS NEUROL ITUTE C MONDINO FDN 116994 0% 100% 1
8 MED SURG HLTH SCICATTINARA HOSP 116994 0% 100% 1
9 MIGRAINE BEHAV HLTH 116994 0% 100% 1
10 MIL TEACHING HOSP MOHAMMED V 116994 0% 100% 1

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 CEPHALALGIA 93207 21% 1% 54
2 HEADACHE 50481 16% 1% 43
3 JOURNAL OF HEADACHE AND PAIN 29637 5% 2% 14
4 CURRENT PAIN AND HEADACHE REPORTS 6716 2% 1% 6
5 NEUROLOGICAL SCIENCES 3618 4% 0% 10
6 CURRENT TREATMENT OPTIONS IN NEUROLOGY 2339 1% 1% 3
7 EXPERT REVIEW OF NEUROTHERAPEUTICS 1833 2% 0% 4
8 SLEEP MEDICINE REVIEWS 1627 1% 0% 3
9 NERVENHEILKUNDE 1369 2% 0% 5
10 SLEEP MEDICINE 1310 2% 0% 5

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 HYPNIC HEADACHE 4610584 20% 77% 51 Search HYPNIC+HEADACHE Search HYPNIC+HEADACHE
2 MORNING HEADACHE 974943 4% 83% 10 Search MORNING+HEADACHE Search MORNING+HEADACHE
3 EXPLODING HEAD SYNDROME 636962 3% 78% 7 Search EXPLODING+HEAD+SYNDROME Search EXPLODING+HEAD+SYNDROME
4 NOCTURNAL HEADACHE 467974 2% 100% 4 Search NOCTURNAL+HEADACHE Search NOCTURNAL+HEADACHE
5 SLEEP APNOEA HEADACHE 350981 1% 100% 3 Search SLEEP+APNOEA+HEADACHE Search SLEEP+APNOEA+HEADACHE
6 SLEEP RELATED HEADACHE 350981 1% 100% 3 Search SLEEP+RELATED+HEADACHE Search SLEEP+RELATED+HEADACHE
7 HYPNIC 311980 2% 67% 4 Search HYPNIC Search HYPNIC
8 ELDERLY HEADACHE 263234 1% 75% 3 Search ELDERLY+HEADACHE Search ELDERLY+HEADACHE
9 SLEEP APNEA HEADACHE 263234 1% 75% 3 Search SLEEP+APNEA+HEADACHE Search SLEEP+APNEA+HEADACHE
10 ALARM CLOCK HEADACHE 233987 1% 100% 2 Search ALARM+CLOCK+HEADACHE Search ALARM+CLOCK+HEADACHE

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 LIANG, JF , WANG, SJ , (2014) HYPNIC HEADACHE: A REVIEW OF CLINICAL FEATURES, THERAPEUTIC OPTIONS AND OUTCOMES.CEPHALALGIA. VOL. 34. ISSUE 10. P. 795 -805 45 90% 7
2 HOLLE, D , NAEGEL, S , OBERMANN, M , (2013) HYPNIC HEADACHE.CEPHALALGIA. VOL. 33. ISSUE 16. P. 1349 -1357 44 86% 8
3 LISOTTO, C , ROSSI, P , TASSORELLI, C , FERRANTE, E , NAPPI, G , (2010) FOCUS ON THERAPY OF HYPNIC HEADACHE.JOURNAL OF HEADACHE AND PAIN. VOL. 11. ISSUE 4. P. 349-354 31 94% 6
4 DIENER, HC , OBERMANN, M , HOLLE, D , (2012) HYPNIC HEADACHE: CLINICAL COURSE AND TREATMENT.CURRENT TREATMENT OPTIONS IN NEUROLOGY. VOL. 14. ISSUE 1. P. 15-26 28 93% 8
5 FREEDOM, T , (2015) HEADACHES AND SLEEP DISORDERS.DM DISEASE-A-MONTH. VOL. 61. ISSUE 6. P. 240 -248 41 55% 3
6 GIL-GOUVEIA, R , GOADSBY, PJ , (2007) SECONDARY "HYPNIC HEADACHE".JOURNAL OF NEUROLOGY. VOL. 254. ISSUE 5. P. 646 -654 24 92% 23
7 LANTERI-MINET, M , DONNET, A , (2010) HYPNIC HEADACHE.CURRENT PAIN AND HEADACHE REPORTS. VOL. 14. ISSUE 4. P. 309-315 21 91% 9
8 MULERO, P , GUERRERO-PERAL, AL , CORTIJO, E , JABARY, NS , HERRERO-VELAZQUEZ, S , MIRANDA, S , PENAS-MARTINEZ, ML , PEDRAZA, M , FERNANDEZ-HERRANZ, R , (2012) HYPNIC HEADACHE: CHARACTERISTICS OF A SERIES OF 13 NEW CASES AND PROPOSAL FOR MODIFICATION OF THE DIAGNOSTIC CRITERIA.REVISTA DE NEUROLOGIA. VOL. 54. ISSUE 3. P. 129-136 19 95% 5
9 SILVA-NETO, RP , ALMEIDA, KJ , (2015) HYPNIC HEADACHE IN CHILDHOOD: A LITERATURE REVIEW.JOURNAL OF THE NEUROLOGICAL SCIENCES. VOL. 356. ISSUE 1-2. P. 45 -48 18 86% 2
10 LANTERI-MINET, M , (2014) HYPNIC HEADACHE.HEADACHE. VOL. 54. ISSUE 9. P. 1556 -1559 15 100% 3

Classes with closest relation at Level 1


Rank Class id link
1 3930 CLUSTER HEADACHE//HEMICRANIA CONTINUA//TRIGEMINAL AUTONOMIC CEPHALALGIAS
2 19595 AIRPLANE HEADACHE//TRIGGER FACTORS//HEADACHE TRIGGERS
3 11212 HEADACHE//PEDIATRIC MIGRAINE//MIGRAINE
4 22114 ANESTHESIOLBUDDHIST TZU CHI GEN HOSP//PRESLEEP AROUSAL//SLEEP
5 1070 MEDICATION OVERUSE HEADACHE//CHRONIC DAILY HEADACHE//CHRONIC MIGRAINE
6 22866 NUMMULAR HEADACHE//IDIOPATHIC STABBING HEADACHE//EXERTIONAL HEADACHE
7 31669 SYMPATHETIC INSTABILITY//ALPHA SYMPATHETIC SYSTEM//DROP OUT PREVENTION
8 7385 MIGRAINE//CEPHALALGIA//OSMOPHOBIA
9 35033 SLEEP PARALYSIS//ISOLATED SLEEP PARALYSIS//HYPNAGOGIC
10 18615 MENSTRUAL MIGRAINE//MENSTRUALLY RELATED MIGRAINE//WOMENS HEADACHE

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