Table 4.

Comparison of hospitalization in the two groups (x̅±s)

Group	Duration of hospitalization (d)	Hospitalization expenses ($10,000)
Control group (n = 50)	18.30±2.35	5.03±0.84
Observation group (n = 50)	13.52±2.87*	3.77±0.43*
t-value	9.112	9.441
P-value	< 0.001	< 0.001

Note: Compared to Control group;

^*P < 0.05.