07 October 2025 : Clinical Research
Association of Frailty with Ultrasound Parameters of Diaphragm Function in 153 Elderly Individuals
Lianghuan Peng ABCDEF 1, Siping Zhu BCEF 1, Wei Lin BCD 1, Yunlu Sheng ABD 1, Peiwen Yu BEF 1, Guoxian Ding ACDEFG 1*DOI: 10.12659/MSM.947951
Med Sci Monit 2025; 31:e947951
Table 4 Variable assignment for multivariate logistic regression analysis of factors associated with frailty. Defines coding used for sex, age categories, number of chronic diseases, and diaphragm function parameters.
| Related factors | Variable name | Assignment method |
|---|---|---|
| Sex | X | Male=1, Female=2 |
| Age | X | 60~70 years=1, 71~75=2, 76~85 years=3 |
| Number of chronic diseases | X | 0~1 Species=1, 2~3 Species=2, ≥4 Species=3 |
| Diaphragm thickness fraction (DTF) | X | Assign a value to an actual value |
| ALB | X | Assign a value to an actual value |
| Diaphragm movement during deep breathing | X | Assign a value to an actual value |