[Retracted] Clinical Observation on the Effect of Systematic Nursing Intervention on Cognitive Function, Life Activity Ability, and Quality of Life of Senile Dementia Patients

Table 1

Comparison of general data of patients (n, mean ± SD).

Group	Gender (male/female)	Age (years)	Course of disease (years)	Education year (years)
Control group (n = 41)	22/19	67.34 ± 6.60	8.42 ± 1.63	12.19 ± 3.52
Observation group (n = 41)	17/24	69.23 ± 6.28	8.91 ± 1.98	12.57 ± 3.19
t/χ^2 value	1.222	1.328	1.223	0.512
P value	0.269	0.188	0.225	0.610