MESH

The MeSH (Medical Subject Headings) database contains subject authority records from the National Library of Medicine.

The Library Corporation, Research Park, Inwood, WV 25428

Overall Statistics

Description	Maximum	Minimum	Average	Totals
Number of Records	-	-	-	658101
Characters per Record	5533	211	262	172561155
Characters per Field	1083	4	25	129562440
Fields per Record	144	7	7	4991295

Record Status (MARC Leader Position 05)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
New	n	658101	100.00	154134327	89.32

Record Type (MARC Leader Position 06)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Unknown Code	[unprintable]	658101	100.00	154134327	89.32

Bibliographic Level (MARC Leader Position 07)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Unknown Code	[unprintable]	658101	100.00	154134327	89.32

Control Type (MARC Leader Position 08)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
No Specified Type	[blank]	658101	100.00	154134327	89.32

Character Encoding (MARC Leader Position 09)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
UCS/Unicode	a	658101	100.00	154134327	89.32

Encoding Level (MARC Leader Position 17)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Unknown Code	[unprintable]	658101	100.00	154134327	89.32

Descriptive Cataloging Form (MARC Leader Position 18)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Non ISBD Form	[blank]	658101	100.00	154134327	89.32

Linked Record Requirement (MARC Leader Position 19)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Related Record not Required	[blank]	658101	100.00	154134327	89.32

Modified Record (MARC 008 Position 38)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Not modified	[blank]	658101	100.00	154134327	89.32

Cataloging Source (MARC 008 Position 39)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Library of Congress	[blank]	658101	100.00	154134327	89.32

Target Audience (MARC 008 Position 22)

Description	MARC Code	Record Count	Percent of Records	File Space Consumed	Percent of File Space
Unknown or not spec.	[blank]	658101	100.00	154134327	89.32

Collection Age (MARC 008 Position 07-10)

Description	Record Count	Percent of Records	File Space Consumed	Percent of File Space
No Date	658101	100.00	154134327	89.32

Languages (MARC 008 Position 35-37)

Description	Record Count	Percent of Records	File Space Consumed	Percent of File Space
NOT CODED	658101	100.00	154134327	89.32

Census of MARC Fields Used in the Collection

Tag	Records with Tag	Repeated Fields	Max Length	Min Length	Average Length	Percent of Records	File Space Consumed	Percent of File Space
1	658101	-	20	7	13	100.00	9212166	5.34
3	658101	-	4	4	4	100.00	2632404	1.53
5	658101	-	16	16	16	100.00	10529616	6.10
8	658101	-	40	40	40	100.00	26324040	15.25
24	658101	-	52	39	45	100.00	30271398	17.54
40	658101	-	14	14	14	100.00	9213414	5.34
60	6262	-	16	8	10	0.95	64682	0.04
72	30762	33695	77	6	31	4.67	1999625	1.16
73	74	-	365	12	130	0.01	9661	0.01
150	656635	-	134	6	36	99.78	23824292	13.81
151	1201	-	55	8	22	0.18	27222	0.02
155	189	-	60	7	19	0.03	3699	0.00
180	76	-	33	9	16	0.01	1265	0.00
360	67	-	96	31	40	0.01	2688	0.00
450	28035	205442	254	6	30	4.26	7203789	4.17
451	188	230	49	8	21	0.03	9183	0.01
455	134	93	67	8	23	0.02	5303	0.00
480	76	229	35	6	14	0.01	4469	0.00
550	6132	2976	76	6	21	0.93	197279	0.11
555	43	26	28	9	15	0.01	1035	0.00
667	12605	-	625	6	88	1.92	1112024	0.64
680	30684	5	1083	16	202	4.66	6203106	3.59
688	26830	-	947	6	26	4.08	710080	0.41

To learn more about ITS.MARC, please contact TLC at 1.800.325.7759 or email us at info@tlcdelivers.com.

Database Profiles