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Table 1 Covariates representing the patient’s condition before hip fracture

From: High short-term and long-term excess mortality in geriatric patients after hip fracture: a prospective cohort study in Taiwan

Type

Covariates

Demography

Age, sex, ethnicity, occupation, marital status, living arrangements

 

Cancer, heart failure, angina pectoris, arrhythmia, liver disease, Parkinson's disease, osteoarthritis

Medication

Antihypertensive, cardiovascular medications, analgesics, anti-diabetes, psychotropics, gastrointestinal, other medications, polypharmacy (≥4 medications)

Health habits

Cigarette smoking, alcohol intake, betel nut chewing, leisure time physical activity

Diet and nutrition

Vegetarian diet, use of milk, coffee, tea; use of nutritional supplements such as calcium, multivitamin, and glucosamine

Falls and fracture

History of fall, history of fall-induced fracture, locations of fracture, place, and time that fall happened

Living environment

Building type, floor on which the participant lived, number of stairs in a flight, self-evaluation of stair height, stair lighting, outdoor lighting, green light duration

Physical functions

ADL[19]: eating, bathing, dressing, toileting, getting in and out of bed

IADL[20]: preparing a meal, shopping, using a telephone, taking medicine, light and heavy housework

Mobility tasks[21]: bending, walking from room to room, walking up 10 steps, walking a quarter of a mile, grasping, lifting 10 pounds, raising arms over head, unlocking with a key

Hearing and visual ability, finger-nose-finger coordination[22]

Cognitive functions

MMSE[23]

Anthropometric

Body height, body weight, BMI

Other

BMD (T-score)

  1. ADL: activities of daily living; IADL: instrumental activities of daily living; MMSE: Mini Mental State Examination; BMI: body mass index; BMD: bone mineral density.
  2. The 55 covariates were shown in bold type.