Raw Alzheimer's Disease Assessment Scale-Cognitive (ADAS-Cog) data from the electronic case report form (eCRF). More information is available at http://adni.loni.usc.edu/data-samples/data-faq/.

A dataset with variables as follows:

  • DONE N NA Was Assessment/Procedure Done?

  • NDREASON N NA If No, Reason Not Done:

  • Q1TRIT N NA Trial 1 Total

  • Q1TR2T N NA Trial 2 Total

  • Q1TRT N NA Trial 3 Total

  • Q5NAME1 N NA Flower

  • Q5NAME2 N NA Bed

  • Q5NAME3 N NA Whistle

  • Q5NAME4 N NA Pencil

  • Q5NAME5 N NA Rattle

  • Q5NAME6 N NA Mask

  • Q5NAME7 N NA Scissors

  • Q5NAME8 N NA Comb

  • Q5NAME9 N NA Wallet

  • Q5NAME10 N NA Harmonica

  • Q5NAME11 N NA Stethoscope

  • Q5NAME12 N NA Tongs

  • Q5FINGER N NA Naming Fingers

  • COMM T NA Comments:

  • Q5SCORE_CUE N ADAS Score Component Q5 Naming Objects and Fingers (with cue when necessary)

  • TIMEEND T HHMM Time Ended:

  • TIMEBEGAN T HHMM Time Began:

  • TOTSCORE N NA Total Score (ADAS 11)

  • WORDLIST N NA Word Recall and Recognition Tasks List Number

  • Q1UNABLE N NA 1. Word Recall

  • Q1TR1 T NA Trial 1

  • Q1TR2 T NA Trial 2

  • Q1TR3 T NA Trial 3

  • Q1SCORE N NA Score Component

  • Q2UNABLE N NA 2. Commands

  • Q2TASK T NA <!--2. Commands-->

  • Q2SCORE N NA Score Component

  • Q3UNABLE N NA 3. Constructional Praxis

  • Q3TASK1 N NA Circle

  • Q3TASK2 N NA Two overlapping rectangles

  • Q3TASK3 N NA Rhombus(Diamond)

  • Q3TASK4 N NA Cube

  • Q3SCORE N NA Score Component

  • Q4UNABLE N NA 4. Delayed Word Recall

  • Q4TASK T NA <!--4. Delayed Word Recall-->

  • Q4SCORE N NA Score Component

  • Q5UNABLE N NA 5. Naming Objects and Fingers

  • Q5TASK T NA <!--5. Naming Objects and Fingers-->

  • Q5SCORE N NA Score Component

  • Q6UNABLE N NA 6. Ideational Praxis

  • Q6TASK T NA <!--6. Ideational Praxis-->

  • Q6SCORE N NA Score Component

  • Q7UNABLE N NA 7. Orientation

  • Q7TASK T NA <!--7. Orientation-->

  • Q7SCORE N NA Score Component

  • Q8UNABLE N NA 8. Word Recognition

  • Q8WORD1 N NA Word 1

  • Q8WORD1R T NA <!--Reminder given?-->

  • Q8WORD2 N NA Word 2

  • Q8WORD2R T NA <!--Reminder given?-->

  • Q8WORD3 N NA Word 3

  • Q8WORD3R T NA <!--Reminder given?-->

  • Q8WORD4 N NA Word 4

  • Q8WORD4R T NA <!--Reminder given?-->

  • Q8WORD5 N NA Word 5

  • Q8WORD5R T NA <!--Reminder given?-->

  • Q8WORD6 N NA Word 6

  • Q8WORD6R T NA <!--Reminder given?-->

  • Q8WORD7 N NA Word 7

  • Q8WORD7R T NA <!--Reminder given?-->

  • Q8WORD8 N NA Word 8

  • Q8WORD8R T NA <!--Reminder given?-->

  • Q8WORD9 N NA Word 9

  • Q8WORD9R T NA <!--Reminder given?-->

  • Q8WORD10 N NA Word 10

  • Q8WORD10R T NA <!--Reminder given?-->

  • Q8WORD11 N NA Word 11

  • Q8WORD11R T NA <!--Reminder given?-->

  • Q8WORD12 N NA Word 12

  • Q8WORD12R T NA <!--Reminder given?-->

  • Q8WORD13 N NA Word 13

  • Q8WORD13R T NA <!--Reminder given?-->

  • Q8WORD14 N NA Word 14

  • Q8WORD14R T NA <!--Reminder given?-->

  • Q8WORD15 N NA Word 15

  • Q8WORD15R T NA <!--Reminder given?-->

  • Q8WORD16 N NA Word 16

  • Q8WORD16R T NA <!--Reminder given?-->

  • Q8WORD17 N NA Word 17

  • Q8WORD17R T NA <!--Reminder given?-->

  • Q8WORD18 N NA Word 18

  • Q8WORD18R T NA <!--Reminder given?-->

  • Q8WORD19 N NA Word 19

  • Q8WORD19R T NA <!--Reminder given?-->

  • Q8WORD20 N NA Word 20

  • Q8WORD20R T NA <!--Reminder given?-->

  • Q8WORD21 N NA Word 21

  • Q8WORD21R T NA <!--Reminder given?-->

  • Q8WORD22 N NA Word 22

  • Q8WORD22R T NA <!--Reminder given?-->

  • Q8WORD23 N NA Word 23

  • Q8WORD23R T NA <!--Reminder given?-->

  • Q8WORD24 N NA Word 24

  • Q8WORD24R T NA <!--Reminder given?-->

  • Q8SCORE N NA Score Component

  • Q9TASK N NA 9. Remembering Test Instructions (this item is calculated based on responses recorded in Item 8.)

  • Q9SCORE N NA Score Component

  • Q10TASK N NA 10. Comprehension of Spoken Language

  • Q10SCORE N NA Score Component

  • Q11TASK N NA 11. Word-finding Difficulty

  • Q11SCORE N NA Score Component

  • Q12TASK N NA 12. Language

  • Q12SCORE N NA Score Component

  • Q13UNABLE N NA 13. Number Cancellation (Time limit: 45 seconds)

  • Q13TASKA N NA 13.a Number of targets hit (range = 0-49)

  • Q13TASKB N NA 13b. Number of errors

  • Q13TASKC N NA 13c. Number of times reminded of task

  • Q13SCORE N NA Score Component

  • TOTAL13 N NA Total Score (ADAS 13)

  • RID N Participant roster ID

  • SITEID N Site ID

  • VISCODE T Visit code

  • USERDATE S Date record created

  • EXAMDATE D Examination Date

  • COT1LIST T Trial 1

  • COT2LIST T Trial 2

  • COT3LIST T Trial 3

  • COT1SCOR N Total <!--Trial 1-->

  • COT2SCOR N Total <!--Trial 2-->

  • COT3SCOR N Total <!--Trial 1-->

  • COP1COMP N If any trial not administered, check one:

  • COCOMND T Check each command performed correctly.

  • COP2COMP N If task not administered, check one:

  • COCONSTR T Check each figure drawn correctly.

  • COP3COMP N If task not administered, check one:

  • COT4LIST T Check each word correctly recalled.

  • COT4TOTL N Total

  • COP4COMP N If task not completed, check one:

  • CONAME T Check each object and finger named correctly.

  • COP5COMP N If task not administered, check one:

  • COIDEA T Check each step completed correctly.

  • COP6COMP N If task not administered, check one:

  • COORIEN T Check each item answered correctly.

  • COP7COMP N If task not administered, check one:

  • CO8NURSE N NURSE - Participant Response

  • CO8MAGAZ N MAGAZINE - Participant Response

  • CO8WIZRD N WIZARD - Participant Response

  • CO8WIZRR T Reminder given?

  • CO8VAN N VAN - Participant Response

  • CO8VANR T Reminder given?

  • CO8LEPRD N LEOPARD - Participant Response

  • CO8LEPRR T Reminder given?

  • CO8SALE N SALE - Participant Response

  • CO8SALER T Reminder given?

  • CO8SEA N SEA - Participant Response

  • CO8SEAR T Reminder given?

  • CO8TRAIN N TRAIN - Participant Response

  • CO8TRAIR T Reminder given?

  • CO8COIN N COIN - Participant Response

  • CO8COINR T Reminder given?

  • CO8SHIP N SHIP - Participant Response

  • CO8SHIPR T Reminder given?

  • CO8INST N INSTITUTION - Participant Response

  • CO8INSTR T Reminder given?

  • CO8MAP N MAP - Participant Response

  • CO8MAPR T Reminder given?

  • CO8AXE N AXE - Participant Response

  • CO8AXER T Reminder given?

  • CO8BOARD N BOARD - Participant Response

  • CO8BOARR T Reminder given?

  • CO8CARRT N CARROT - Participant Response

  • CO8CARRR T Reminder given?

  • CO8MILK N MILK - Participant Response

  • CO8MILKR T Reminder given?

  • CO8VOL N VOLUME - Participant Response

  • CO8VOLR T Reminder given?

  • CO8FORST N FOREST - Participant Response

  • CO8FORSR T Reminder given?

  • CO8ANCHR N ANCHOR - Participant Response

  • CO8ANCRR T Reminder given?

  • CO8GEM N GEM - Participant Response

  • CO8GEMR T Reminder given?

  • CO8CAT N CAT - Participant Response

  • CO8CATR T Reminder given?

  • CO8FUND N FUND - Participant Response

  • CO8FUNDR T Reminder given?

  • CO8EDGE N EDGE - Participant Response

  • CO8EDGER T Reminder given?

  • CO8CAKE N CAKE - Participant Response

  • CO8CAKER T Reminder given?

  • COP8COMP N If task not administered, check one:

  • COINSTRC N Check level of impairment. Base your answer only on observations made during Word Recognition task (Question #8).

  • COCOMPRE N Check level of impairment.

  • COWRDFND N Check one response

  • COLANG N Check level of impairment.

  • CONMCXLA N 14a. Number of targets hit (range = 0-49)

  • CONMCXLB N 14b. Number of errors

  • CONMCXLC N 14c. Number of times reminded of task

  • COP14CMP N If task not administered, check one:

  • USERDATE2 S Date record last updated

data(adas)

Format

A data frame with 10227 rows and 210 variables

References

Rosen WG, Mohs RC, & Davis KL. (1984). A new rating scale for Alzheimer's disease. The American Journal of Psychiatry. 141 (11), 1356-64. http://www.ncbi.nlm.nih.gov/pubmed/6496779

See also

adasscores

Examples