Barriers to Safe Oxygen Therapy and the Effect of the Training on the Knowledge and Performance of ICU Nurses

Table 5

Comparison of the mean scores of knowledge and performance and total score of oxygen therapy between two groups at different times of the study.

Groups	Variables	Before mean ± SD	After-1 month mean ± SD	After-3 months mean ± SD	F	value
Intervention group	Knowledge (0–30)	20.10 ± 2.59	24.41 ± 2.06	22.13 ± 2.76	29.19	< 0.0001
	Practice (0–24)	18.03 ± 1.67	21.54 ± 1.46	19.74 ± 1.51	49.68	< 0.0001
	Total (0–54)	38.13 ± 3.98	45.95 ± 2.87	41.87 ± 3.76	46.69	< 0.0001
Control group	Knowledge (0–30)	20.47 ± 2.34	20.29 ± 2.24	20.24 ± 2.33	0.111	= 0.895
	Practice (0–24)	18.58 ± 1.50	18.05 ± 1.08	18.63 ± 1.61	1.93	= 0.15
	Total (0–54)	39.05 ± 3.62	38.34 ± 2.93	38.87 ± 3.30	0.623	= 0.623

value = ANOVA repeated measures test.