Thoracolumbar fractures patients undergoing posterior pedicle screw fixation can benefit from drainage

Table 2 The correlation between drainage tube placement and four items

	The 6th postoperative day’ NRS		The 6th postoperative day’ ADL		Number of antipyretic use		Postoperative CRP
	F	P	F	P	F	P	F	P
Drainage	82.935	0.000***	8.650	0.004**	6.258	0.013*	4.393	0.037*
Age	0.883	0.348	0.001	0.971	0.106	0.745	0.096	0.757
Gender	0.199	0.656	0.029	0.864	2.425	0.121	0.916	0.339
Weight	1.105	0.294	0.738	0.391	1.690	0.195	3.137	0.078
Hypertension	2.254	0.134	4.040	0.045*	0.819	0.366	1.016	0.314
Diabetes	0.379	0.539	0.235	0.628	0.856	0.356	0.043	0.836