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Modified preclinical alzheimer’s cognitive composite (pacc) score derived dataset.

Usage

data(PACC)

Format

A data frame with 19571 observations and 26 variables.

Source

For more details see the help vignette: vignette(topic = 'ADNIMERGE2-PACC', package = 'ADNIMERGE2')

Details

  • ORIGPROT character Original Study Protocol First time participation in ADNI study phase; , with character options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • COLPROT character Study Data Collection Protocol , with character options: ADNI1, ADNIGO, ADNI2, ADNI3, ADNI4

  • RID numeric Subject Identifier Range value: 1, ..., 10898

  • VISCODE character Study visit code

  • ADASQ4SCORE numeric Delayed Word Recall Score - portion of ADAS-Cog Range value: 0, ..., 10

  • ADASQ4SCORE_VISDATE Date ADAS-Cog Collection/Visit Date Date: YYY-MM-DD

  • MMSE numeric Mini-Mental Examination Total Score Range value: 0, ..., 30

  • MMSE_VISDATE Date MMSE Collection/Visit Date Date: YYY-MM-DD

  • LDELTOTL numeric Logical Memory - Delayed RecallScore Range value: 0, ..., 25

  • LDELTOTL_VISDATE Date LDELTOTL Collection/Visit Date Date: YYY-MM-DD

  • DIGITSCR numeric Digit Symbol Substitution Score Range value: 0, ..., 83

  • DIGITSCR_VISDATE Date DIGITSCR Collection/Visit Date Date: YYY-MM-DD

  • TRABSCOR numeric Trial B score Range value: 0, ..., 996

  • LOG.TRABSCOR numeric Trial B score - Log Scale Range value: 0, ..., 6.90475076996184

  • TRABSCOR_VISDATE Date TRABSCOR Collection/Visit Date Date: YYY-MM-DD

  • PACC_VISDATE Date PACC Collection/Visit Date Either common date across non-missing PACC component collection date, the maximum relative date or the corresponding study visit date when all component collection date is not available.; Date: YYY-MM-DD

  • ADASQ4SCOREZ numeric ADAS Q4 Standardized Score Standardized by corresponding baseline score among cognitive normal (CN) new enrollee in ADNI study. Also adjusted for directional effect (i.e. multiplied by -1); Range value: -3.7210201569984, ..., 1.47622571846727

  • MMSEZ numeric Mini-Mental State Examiniation Standardized Score Standardized by corresponding baseline score among cognitive normal (CN) new enrollee in ADNI study.; Range value: -24.6850367577629, ..., 0.835279966381236

  • LDELTOTLZ numeric Logical Memory - Delayed Recall Standardized Score Standardized by corresponding baseline score among cognitive normal (CN) new enrollee in ADNI study.; Range value: -3.64701404766878, ..., 3.50702383439261

  • DIGITSCRZ numeric Digit Symbol Substitution Standardized Score Standardized by corresponding baseline score among cognitive normal (CN) new enrollee in ADNI1 study phase.; Range value: -4.48438541990256, ..., 3.65180778861111

  • LOG.TRABSCORZ numeric Logical Memory - Delayed Recall Log Standardized Score Standardized by corresponding log transformed baseline score among cognitive normal (CN) new enrollee in ADNI study. Also adjusted for directional effect (i.e. multiplied by -1); Range value: -6.35360930903085, ..., 10.5810477057065

  • mPACCdigit numeric Modified PACC Digit Score Range value: -56.812114, ..., 7.615753

  • mPACCtrailsB numeric Modified PACC Trials B Score Range value: -56.812114, ..., 12.950277

  • ENRLDT Date Enrollment Date Date: YYY-MM-DD

  • ENRLFG character Enrollment Flag , with character options: Yes

  • DX character Baseline Diagnostics Status Based on DXSUM eCRF and require to use enrollment flag. Please see `get_adni_blscreen_dxsum` function for more information.; , with character options: CN, Dementia, MCI