Estimation of Cachexia among Cancer Patients Based on Four Definitions

Table 2

Proportion of cancer patients with cachexia by cancer type.

Cancer type	Cancer patients with cachexia ICD-9 code only	Cancer patients with any cachexia ICD-9 code	Cancer patients taking prescription medication indicative of cachexia	Cancer patients with ≥5% weight loss	Cancer patients with any one of the cachexia definitions
Breast, 𝑛=2112	0.8%	3.1%	5.3%	18.6%	24.8%
Colorectal, 𝑛=905	2.5%	6.1%	6.2%	16.4%	25.5%
Esophagus, 𝑛=117	12.8%	20.5%	13.7%	16.2%	41.9%
Gastric, 𝑛=142	8.4%	15.5%	19.0%	19.7%	41.5%
Head/neck, 𝑛=246	6.1%	17.1%	6.1%	19.9%	37.0%
Liver, 𝑛=153	3.3%	6.5%	3.9%	17.0%	24.2%
Lung, 𝑛=1291	6.4%	9.7%	14.2%	15.2%	31.1%
Pancreas, 𝑛=221	3.6%	7.2%	19.5%	12.7%	34.8%
Prostate, 𝑛=3354	0.8%	3.2%	2.6%	11.0%	15.1%