Table 2.

Comparison of underweight patients on the AN protocol versus those not on the AN protocol.

Variable	Median (range)		P*
	AN protocol (n=18)	Non-AN protocol (n=4)
Daily calories prescribed (kcal)	2,700 (2,380–3,167)	2,317 (2,150–2,400)	0.001†
Rate of weight gain per week (kg)	1.15 (0.23–3.54)	0.29 (0.12–0.81)	0.010†
Length of stay (day)	23 (14–76)	36 (11–51)	0.712

*Mann–Whitney U test. ^†Statistically significant. AN: anorexia nervosa