The Classification of Patients with Chronic Pain: Age and Sex Differences

Hierarchical Grouping to Optimize an Objective Function

1963 • 17,257 citations

Pattern classification and scene analysis

1973 • 12,976 citations

The McGill Pain Questionnaire: Major properties and scoring methods

1975 • 6,706 citations

A dendrite method for cluster analysis

1974 • 5,842 citations

Pattern Classification and Scene Analysis

1974 • 4,723 citations

The measurement of clinical pain intensity: a comparison of six methods

1986 • 3,120 citations

Hierarchical Grouping to Optimize an Objective Function

1963 • 3,111 citations

Cluster analysis

1984 • 2,475 citations

SCL-90-R, Administration, Scoring, and Procedures Manual-II for the R(evised) Version and Other Instruments of the Psychopathology Rating Scale Series

1983 • 2,067 citations

Handbook of pain assessment

1995 • 1,494 citations

A Dendrite Method for Cluster Analysis

1974 • 1,277 citations

Sex differences in pain

1997 • 1,111 citations

The Pain Disability Index: psychometric properties

1990 • 912 citations

Self-report scales and procedures for assessing pain in adults.

2011 • 845 citations

Preliminary Validity Study of the Pain Disability Index

1984 • 715 citations

Methodology Review: Clustering Methods

1987 • 636 citations

Self-report scales and procedures for assessing pain in adults

1992 • 543 citations

Chronic pain and depression: role of perceived impact and perceived control in different age cohorts

1995 • 327 citations

Cubic Clustering Criterion

1983 • 293 citations

Differential responses by psychosocial subgroups of fibromyalgia syndrome patients to an interdisciplinary treatment

1998 • 290 citations

Towards a comprehensive assessment of chronic pain patients

1987 • 246 citations

The measurement of pain and the assessment of people experiencing pain.

2001 • 203 citations

Ethnicity and the pain experience

1984 • 201 citations

A Comparison of Coping Strategies in Chronic Pain Patients in Different Age Groups

1990 • 197 citations

Limbically Augmented Pain Syndrome (LAPS): Kindling, Corticolimbic Sensitization, and the Convergence of Affective and Sensory Symptoms in Chronic Pain Disorders

2000 • 155 citations

Chronic Pain in Old and Young Patients: Differences Appear Less Important Than Similarities

1990 • 151 citations

Pain in older persons

1994 • 142 citations

Medical Need and Use of Services Among Older Men and Women

1988 • 120 citations

The MMPI and psychological factors in chronic low back pain: a review

1987 • 111 citations

The Measurement of Mood States in Older Adults

1997 • 111 citations

Assessment of pain in the elderly.

1992 • 110 citations

Theoretical review: altered pain regulatory systems in chronic pain

1999 • 109 citations

Health locus of control, gender differences and adjustment to persistent pain

1990 • 101 citations

The stages of pain processing across the adult lifespan

2000 • 96 citations

Population recovery capabilities of 35 cluster analysis methods

1993 • 94 citations

Cognitive factors and the experience of pain and suffering in older persons

2000 • 84 citations

An empirical evaluation of multidimensional clinical outcome in chronic low back pain patients

1993 • 75 citations

Chronic pain: its treatment in geriatric and younger patients.

1988 • 73 citations

Behavioral assessment of low back pain: identification of pain behavior subgroups

1990 • 69 citations

Outcomes in treatment of pain in geriatric and younger age groups

1994 • 69 citations

Psychological dimensions of distress in chronic pain patients: A factor analytic study of Symptom Checklist-90 responses.

1986 • 68 citations

The Classification of Patients with Chronic Pain: Age as a Contributing Factor

1997 • 61 citations

Gender differences in associations between trauma history and adjustment among chronic pain patients

1999 • 57 citations

Assessment of the psychosocial context of the experience of chronic pain.

2001 • 55 citations

Empirically derived Symptom Checklist 90 subgroups of chronic pain patients: A cluster analysis

1988 • 55 citations

Pain Sensitivity, Exercise and Stoicism

1996 • 52 citations

Effects of pain duration on psychosocial adjustment in orthopedic patients: The importance of early diagnosis and treatment of pain

1994 • 49 citations

7. Geriatric Pain

1995 • 39 citations

The Assessment of Pain in the Elderly

1997 • 36 citations

Cognitive and somatic aspects of depression among a rehabilitation sample: Reliability and validity of SCL-90—R research subscales.

1988 • 32 citations

The personal constructs of coping with chronic low back pain: is coping a necessary evil?

1997 • 29 citations

Classification logic and strategies in chronic pain.

1992 • 29 citations

Pain and the Use of Health Services among the Elderly

1994 • 26 citations

Recent onset vs. persistent pain: Evidence for a distinction

1986 • 18 citations

Cluster analyses of responses of low-back pain patients to the SCL-90: Comparison of empirical versus rationally derived subscales.

1987 • 17 citations

Girls' and Boys' Differing Response to Pain Starts Early in Their Lives

1998 • 14 citations

Older Women With Chronic Pain

2014 • 13 citations

Older Women with Chronic Pain

1995 • 13 citations

The Ancient Origins of Cognitive Therapy: The Reemergence of Stoicism

1993 • 13 citations

Coping with Pain in Old Age

1997 • 10 citations

Cognitive and somatic aspects of depression among a rehabilitation sample: Reliability and validity of SCL-90--R research subscales.

1988 • 7 citations

Management of Chronic Nonmalignant Pain in the Elderly Experience in an Outpatient Setting

1997 • 4 citations

Psychological dimensions of distress in chronic pain patients: A factor analytic study of Symptom Checklist-90 responses.

1986 • 3 citations

Empirically derived Symptom Checklist 90 subgroups of chronic pain patients: a cluster analysis

1989 • 2 citations

Cluster analyses of responses of low-back pain patients to the SCL-90: Comparison of empirical versus rationally derived subscales.

1987 • 1 citations