Table 1.

Cabrini Respiratory Strain Scale

Parameter	Pointa)
Respiratory rate
< 20	0
20–30	1
31–40	2
> 40	4
Retraction/accessory muscle use
None	0
Mild	1
Moderate	2
Severe	3
Overall state
Relaxed	0
Uncomfortable	1
Anxious	2
Agitated	3

^a)0–2, low; 3–5, moderate; 6–10, high.