表 1.

Comparison of the distance between the first and the second metatarsal joints and VAS scores between pre- and post-operation ( )

患者手术前后第 1、2 跖骨关节间隙距离及 VAS 评分比较（ ）

时间 Time	第 1、2 跖骨关节间隙 距离（mm） Distance between the first and the second metatarsal joints (mm)	VAS 评分 VAS score
*与术前比较 P<0.05，#与术后 3 个月比较 P<0.05，△与内固定物取出前比较 P<0.05 *Compared with preoperative value, P<0.05;# compared with the value at 3 months after operation, P<0.05;△compared with the value before removal of the internal fixator, P<0.05
术前 Preoperative	8.4±3.5#△	7.6±0.9#△
术后 3 个月 Three months after operation	1.7±0.4*	1.9±0.6*
内固定物取出前 Before removal of the internal fixator	1.8±0.5*	1.6 ±0.8*
末次随访 Last follow-up	1.9±0.3*	1.4±0.7*
统计值 Statistic	F=63.864 P=0.000	F=306.766 P=0.000