Table 2.

Intragroup comparison in Group 1 using Friedman’s test

	n	Mean±SD	Minimum	Maximum	Median	Mean rank	χ 2	P value of Friedman test
ISQ baseline	30	25.13533±1.260891	23.2200	27.1200	25.23000	1.00	87.760	0.000**
ISQ 1 week	30	50.28700±5.418054	40.0000	59.2300	51.14000	2.00
ISQ 1 month	30	59.56466±4.510371	48.5000	67.7300	59.67500	3.07
ISQ 3 months	30	67.78400±6.106217	57.9000	77.2300	69.14000	3.93

**Statistically highly significant difference (P<0.01). ISQ – Implant stability quotient; n – Number of surgical sites; P – Probability value; SD – Standard deviation; χ² – Chi Square