Table 3.

Intergroup and intragroup comparison of % change in E. faecalis count before and after instrumentation (S1–S2) and after medication (S2–S3)

Groups	The mean (±SD) E. faecalis count before instrumentation (S1) (CFU/mL) (log 10 )	Percentile	% change in E. faecalis count after instrumentation and after medication (S1–S2)	% change in E. faecalis count after instrumentation and after medication (S2–S3)
I (N = 15)	6.01 (±0.23)	25 Percentile	35.1386	59.3337
		50 Percentile	35.7242	60.6489
		75 Percentile	35.9265	61.4222
II (N = 15)	6.03 (±0.24)	25 Percentile	35.5328	66.5532
		50 Percentile	35.8750	68.9342
		75 Percentile	36.1748	70.3499
III (N = 15)	6.01 (±0.28)	25 Percentile	35.2681	63.3136
		50 Percentile	35.7783	64.5306
		75 Percentile	36.3011	66.0085
IV (N = 15)	6.03 (±0.27)	25 Percentile	35.3494	70.3496
		50 Percentile	35.8422	71.9292
		75 Percentile	36.3200	72.6235
Post hoc pairwise comparison using Tukey's test	Group IV > II > III > I