Table 4: Analysis of two samples before and after improving of nutrition status.

VariateTwo samplesNumber/total number value ()

Sex (male)Sample_11294/24130.1560.693
Sample_2506/957

Long-term bedSample_1212/24130.5720.450
Sample_292/957

Nutrition scores (≥3)Sample_1132/24131.0370.309
Sample_261/957

DysphagiaSample_1174/24130.0440.834
Sample_271/957

Invasive procedureSample_1672/24132.8720.090
Sample_2239/957

Length of stay (≥30 day)Sample_177/24133.5990.058
Sample_219/957

Combined with chronic diseaseSample_11259/24132.6460.104
Sample_2529/957
Sample_211/957