Table 2.

Comparison of radiographic LLD.

Groups	Mean ±SD (mm)	Range (mm)	<5 mm	<10 mm	P	95%CI
Preoperative Group I	9.55 ± 7.05	−51.03–19.68	n = 14(32%)	n = 29(66%)	0.686	−3.76, 2.95
Preoperative Group II	9.95 ± 8.76	−21.94–32	n = 17(38%)	n = 26(58%)
Postoperative Group I	2.51 ± 2.09	−5.71–8.34	n = 38(86%)	n = 44(100%)	<0.001	−5.07, −2.21
Postoperative Group II	6.15 ± 4.29	−17.98–15.16	n = 20(44%)	n = 36(80%)