[Retracted] Influence of Self-Practice Oriented Teaching plus Psychological Intervention on Blood Glucose Level and Psychological State in Patients with Type 2 Diabetes Mellitus on Insulin Therapy

Table 6

Comparison of knowledge of disease scores between two groups.

Groups	n	Before intervention	After intervention
Observation group	40	1.15 ± 0.27	4.01 ± 0.59
Control group	40	1.17 ± 0.31	2.95 ± 0.44
t		0.308	9.109
		0.759	<0.001