Nonsurgical periodontal-therapy improves glycosylated hemoglobin levels in pre-diabetic patients with chronic periodontitis

Table 2 Baseline periodontal parameters of case and control group (mean ± SD)

Parameters	Mean ± SD	Mean ± SD	P value
	Case group	Control group
MGI	1.55 ± 0.37	1.53 ± 0.28	0.723
PI	1.05 ± 0.24	1.03 ± 0.23	0.871
CI	1.95 ± 0.45	2.11 ± 0.48	0.173
BOP (%)	60.37 ± 13.66	64.87 ± 11.61	0.175
PPD (mm)	3.27 ± 0.29	3.24 ± 0.27	0.694
Sites with PPD ≤ 3 mm (%)	60.86 ± 12.22	64.85 ± 8.24	0.143
Sites with PPD 4-6 mm (%)	37.03 ± 11.05	34.05 ± 8.06	0.238
Sites with PPD ≥ 7 mm (%)	1.75 ± 2.28	1.01 ± 1.46	0.142
CAL (mm)	2.95 ± 0.49	3.03 ± 0.59	0.567
Sites with CAL 1-2 mm (%)	40.58 ± 11.72	41.16 ± 17.16	0.879
Sites with CAL 3-4 mm (%)	42.79 ± 7.76	41.41 ± 10.77	0.573
Sites with CAL ≥ 5 mm (%)	15.81 ± 10.60	17.67 ± 13.32	0.552

MGI: Modified gingival index; PI: Plaque index; CI: Calculus index; BOP: Bleeding on probing; PPD: Probing pocket depth; CAL: Clinical attachment level.