[Retracted] The Effect of Needle Tract Nursing Methods to Reduce Needle Tract Infection in Patients with Indwelling Percutaneous Bone Puncture

Table 2

Retention time.

	Research object	Control group	Test group	X^2/t
0–7	14	8	6	6.809	0.146
8–14	36	22	14	—	—
15–28	75	30	45	—	—
29–42	74	29	45	—	—
42	21	11	10	—	—