Variables

Assignment

Variable coefficient β

Pressure sores or skin infections

1 = yes, 2 = no

0.647

History of hypertension

1 = yes, 2 = no

0.497

Current history of respiratory tract infection

1 = yes, 2 = no

0.374

Main diagnosis

1 = Brain damage, 2 = Non-brain damage

−0.378

History of respiratory tract infection within half a year

1 = yes, 2 = no

−0.357

Feeding patterns

1 = oral feeding, 2 = assisted oral feeding, 3 = intermittent oral/nasal feeding, 4 = indwelling nasal feeding

−0.324

Kidney damage

1 = yes, 2 = no

−0.107

Hospitalization days

(Continuous variable)

−0.051

The first course of disease

1 = yes, 2 = no

0.006