Class information for:
Level 1: PERCUTANEOUS NEPHROLITHOTOMY//NEPHROSTOMY//NEPHROSTOMY PERCUTANEOUS

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
4309 1808 18.8 74%


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
21 4 UROLOGY & NEPHROLOGY//UROL//JOURNAL OF UROLOGY 229838
555 3       UROLITHIASIS//CALCIUM OXALATE//LITHOTRIPSY 17891
508 2             UROLITHIASIS//LITHOTRIPSY//CALCIUM OXALATE 15240
4309 1                   PERCUTANEOUS NEPHROLITHOTOMY//NEPHROSTOMY//NEPHROSTOMY PERCUTANEOUS 1808

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 PERCUTANEOUS NEPHROLITHOTOMY authKW 3090250 16% 62% 297
2 NEPHROSTOMY authKW 853025 6% 49% 103
3 NEPHROSTOMY PERCUTANEOUS authKW 506693 3% 49% 61
4 JOURNAL OF ENDOUROLOGY journal 483764 21% 8% 371
5 PCNL authKW 450301 2% 67% 40
6 TUBELESS authKW 389693 2% 77% 30
7 KIDNEY CALCULI authKW 253645 5% 15% 98
8 UROLITHIASIS journal 216111 3% 20% 63
9 STAGHORN CALCULI authKW 174288 1% 61% 17
10 NEPHROLITHOTOMY authKW 160410 1% 50% 19

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 Urology & Nephrology 134780 79% 1% 1425
2 Radiology, Nuclear Medicine & Medical Imaging 1216 11% 0% 201
3 Medicine, General & Internal 53 4% 0% 78
4 Surgery 9 4% 0% 67
5 MEDICINE, MISCELLANEOUS 9 0% 0% 1
6 Anatomy & Morphology 6 0% 0% 8
7 Anesthesiology 1 0% 0% 9
8 Peripheral Vascular Diseases 0 1% 0% 17
9 Medicine, Research & Experimental -0 1% 0% 22
10 Medical Informatics -0 0% 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 UROL 134059 51% 1% 931
2 ENDOUROL SERV 56874 0% 42% 8
3 STONE SERV 48667 0% 41% 7
4 UROLGUANGDONG UROL 37995 0% 75% 3
5 SHAHID BAFINEJAD MED 26921 1% 11% 15
6 NUEVO HOSP CIVIL 25328 0% 50% 3
7 SMITH UROL 22803 1% 14% 10
8 NUEVO HOSP CIVIL GUADALAJARA 22515 0% 67% 2
9 SECT ENDOUROL UROL 22515 0% 67% 2
10 AFFILIATED GANZHOU HOSP 21709 0% 43% 3

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 JOURNAL OF ENDOUROLOGY 483764 21% 8% 371
2 UROLITHIASIS 216111 3% 20% 63
3 UROLOGY 33959 10% 1% 181
4 UROLOGY JOURNAL 32581 2% 6% 34
5 JOURNAL OF UROLOGY 23023 11% 1% 195
6 INTERNATIONAL BRAZ J UROL 15199 2% 3% 28
7 UROLOGIA INTERNATIONALIS 11124 3% 1% 55
8 WORLD JOURNAL OF UROLOGY 10282 2% 1% 43
9 UROLOGICAL RESEARCH 8713 2% 2% 33
10 CUAJ-CANADIAN UROLOGICAL ASSOCIATION JOURNAL 7209 1% 2% 22

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 PERCUTANEOUS NEPHROLITHOTOMY 3090250 16% 62% 297 Search PERCUTANEOUS+NEPHROLITHOTOMY Search PERCUTANEOUS+NEPHROLITHOTOMY
2 NEPHROSTOMY 853025 6% 49% 103 Search NEPHROSTOMY Search NEPHROSTOMY
3 NEPHROSTOMY PERCUTANEOUS 506693 3% 49% 61 Search NEPHROSTOMY+PERCUTANEOUS Search NEPHROSTOMY+PERCUTANEOUS
4 PCNL 450301 2% 67% 40 Search PCNL Search PCNL
5 TUBELESS 389693 2% 77% 30 Search TUBELESS Search TUBELESS
6 KIDNEY CALCULI 253645 5% 15% 98 Search KIDNEY+CALCULI Search KIDNEY+CALCULI
7 STAGHORN CALCULI 174288 1% 61% 17 Search STAGHORN+CALCULI Search STAGHORN+CALCULI
8 NEPHROLITHOTOMY 160410 1% 50% 19 Search NEPHROLITHOTOMY Search NEPHROLITHOTOMY
9 PERCUTANEOUS NEPHROSTOMY 145906 2% 26% 33 Search PERCUTANEOUS+NEPHROSTOMY Search PERCUTANEOUS+NEPHROSTOMY
10 PERCUTANEOUS 135589 6% 8% 102 Search PERCUTANEOUS Search PERCUTANEOUS

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 GHANI, KR , ANDONIAN, S , BULTITUDE, M , DESAI, M , GIUSTI, G , OKHUNOV, Z , PREMINGER, GM , DE LA ROSETTE, J , (2016) PERCUTANEOUS NEPHROLITHOTOMY: UPDATE, TRENDS, AND FUTURE DIRECTIONS.EUROPEAN UROLOGY. VOL. 70. ISSUE 2. P. 382 -396 107 84% 1
2 SEITZ, C , DESAI, M , HACKER, A , HAKENBERG, OW , LIATSIKOS, E , NAGELE, U , TOLLEY, D , (2012) INCIDENCE, PREVENTION, AND MANAGEMENT OF COMPLICATIONS FOLLOWING PERCUTANEOUS NEPHROLITHOLAPAXY.EUROPEAN UROLOGY. VOL. 61. ISSUE 1. P. 146 -158 90 85% 54
3 CRACCO, CM , ALKEN, P , SCOFFONE, CM , (2016) POSITIONING FOR PERCUTANEOUS NEPHROLITHOTOMY.CURRENT OPINION IN UROLOGY. VOL. 26. ISSUE 1. P. 81 -87 77 90% 2
4 PEREZ-FENTES, D , (2017) TECHNIQUES FOR PERCUTANEOUS ACCESS DURING PERCUTANEOUS NEPHROLITHOTOMY.ARCHIVOS ESPANOLES DE UROLOGIA. VOL. 70. ISSUE 1. P. 155 -172 63 91% 0
5 ANTONELLI, JA , PEARLE, MS , (2013) ADVANCES IN PERCUTANEOUS NEPHROLITHOTOMY.UROLOGIC CLINICS OF NORTH AMERICA. VOL. 40. ISSUE 1. P. 99-+ 75 69% 13
6 PEREZ-FENTES, DA , GUDE, F , BLANCO, M , NOVOA, R , FREIRE, CG , (2013) PREDICTIVE ANALYSIS OF FACTORS ASSOCIATED WITH PERCUTANEOUS STONE SURGERY OUTCOMES.CANADIAN JOURNAL OF UROLOGY. VOL. 20. ISSUE 6. P. 7050-7059 58 88% 3
7 ZILBERMAN, DE , LIPKIN, ME , DE LA ROSETTE, JJ , FERRANDINO, MN , MAMOULAKIS, C , LAGUNA, MP , PREMINGER, GM , (2010) TUBELESS PERCUTANEOUS NEPHROLITHOTOMY-THE NEW STANDARD OF CARE?.JOURNAL OF UROLOGY. VOL. 184. ISSUE 4. P. 1261-1266 46 100% 36
8 ZENG, GH , LIU, Y , ZHONG, W , FEI, X , SONG, Y , (2015) THE ROLE OF MIDDLE CALYX PUNCTURE IN PERCUTANEOUS NEPHROLITHOTOMY: RELATIVE FACTORS AND CHOICE CONSIDERATIONS.MINERVA UROLOGICA E NEFROLOGICA. VOL. 67. ISSUE 4. P. 335 -345 43 100% 0
9 OZTURK, H , (2014) GASTROINTESTINAL SYSTEM COMPLICATIONS IN PERCUTANEOUS NEPHROLITHOTOMY: A SYSTEMATIC REVIEW.JOURNAL OF ENDOUROLOGY. VOL. 28. ISSUE 11. P. 1256 -1267 46 90% 5
10 TEFEKLI, A , CORDEIRO, E , DE LA ROSETTE, JJMCH , (2013) AN UPDATE ON PERCUTANEOUS NEPHROLITHOTOMY: LESSONS LEARNED FROM THE CROES PCNL GLOBAL STUDY.MINERVA MEDICA. VOL. 104. ISSUE 1. P. 1-21 57 73% 4

Classes with closest relation at Level 1


Rank Class id link
1 19476 PEDIATRIC UROLITHIASIS//PEDIATRIC URETEROSCOPY//URETEROSCOPY
2 836 URETEROSCOPY//LITHOTRIPSY//EXTRACORPOREAL SHOCK WAVE LITHOTRIPSY
3 24687 ANALYSIS OF STONE COMPONENTS//ANALYSIS OF URINARY STONE COMPOSITION//ARTIFICIAL STONES BONN STONES CHEMOLITHOLYSIS
4 21302 HORSESHOE KIDNEY//MILK OF CALCIUM//CALYCEAL DIVERTICULUM
5 9845 URETERAL STENT//URETERIC STENT//URETER
6 16457 FLEXIBLE CYSTOSCOPY//CYSTOSCOPY//RIGID CYSTOSCOPY
7 14293 TWINKLING ARTIFACT//RENAL COLIC//URETER CALCULI
8 7775 PYELOPLASTY//URETEROPELVIC JUNCTION OBSTRUCTION//ENDOPYELOTOMY
9 29538 GUIDE WIRE TECHNIQUE//3 FRENCH CATHETER//ANGIOCARDIOGRAPHY HEART CATHETERIZATION
10 9627 LITHOTRIPSY//EXTRACORPOREAL SHOCK WAVE LITHOTRIPSY//ESWL

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