G8 Screening Tool

A. Food intake declined over past 3 months?

B. Weight loss during last 3 months?

C. Mobility?

D. Neuropsychological problems?

E. Body Mass Index (BMI)?

F. Takes more than 3 prescription drugs?

G. Patient view of health status compared to peers?

H. Age?

Clinical Context & Background

The G8 screening tool is an 8-item questionnaire derived from the Mini Nutritional Assessment (MNA). It is sensitive for detecting impairments in geriatric domains. A low score suggests vulnerability and indicates the need for a Comprehensive Geriatric Assessment (CGA).

Primary Source EvidenceBellera CA, Rainfray M, Mathoulin-Pélissier S, et al. Screening older cancer patients: first evaluation of the G-8 geriatric screening tool. Ann Oncol. 2012;23(8):2166-2172.

Formula Logic

Sum of 8 items (0-17 points). Cut-off ≤ 14 is abnormal.

Reference Data

Total Score	Interpretation	Action
0 - 14	Impaired / Vulnerable	Full Geriatric Assessment (CGA) needed.
15 - 17	Normal / Fit	Standard oncologic care.

Share This Calculator

Evidence-based oncology decision support. Verify with clinical guidelines.

Saved Results

G8 Screening Tool

Clinical Context & Background

Reference Data

Share This Calculator

Related Tools