Clinical observation on prognosis of mixed hemorrhoids treated with polidocanol injection combined with automatic elastic thread ligation operation

Table 2 Comparison between groups of operation time/wound healing time/hospital stay

Group	Number of cases	Operation time (minutes)	Wound healing time (day)	Hospital stay (day)
Control group	50	55.90 ± 12.84	16.72 ± 3.04	9.72 ± 3.04
Treatment group	50	31.70 ± 11.63	14.06 ± 2.71	6.26 ± 1.95
t value		9.878	4.619	6.774
P value		< 0.001	< 0.001	< 0.001