[Retracted] Comparison of Improved Surgical Eight-Step Handwashing Combined with ATP Fluorescence in Detecting the Infection Rate at the Site of Seven-Step Surgical Handwashing and 30-Day Orthopaedic Surgery: A Randomized Study

Table 1

Comparison of qualified rate of 4 samples of handwashing between two groups.

Group	Fingertip sample		Sample of lateral margin of palm		Sample of medial margin of palm		Nail groove and nail root samples of middle finger
	Number of samples	Qualified rate (%)	Number of samples	Qualified rate (%)	Number of samples	Qualified rate (%)	Number of samples	Qualified rate (%)
Improvement group	400	98	400	97	400	98	400	99
Traditional group	400	97	400	91	400	90	400	92
	0.410		6.383		11.348		11.402
	>0.05		<0.05		<0.05		<0.05