Establishment of models to predict factors influencing periodontitis in patients with type 2 diabetes mellitus

Table 3 Physical health status

Factor	Total number (n = 300)	Periodontitis group (n = 224)	Non-periodontitis group (n = 76)	t/Z	P value
BMI (kg/m2), median (P25, P75)	24.96 (22.36, 26.81)	24.86 (22.13, 26.65)	25.61 (23.26, 27.23)	-1.223	0.221
TG (mmol/L)	1.51 ± 0.28	1.53 ± 0.28	1.44 ± 0.26	-2.678	0.008
< 1.7	226 (75.33)	163 (72.77)	63 (82.89)
≥ 1.7	74 (26.67)	61 (27.23)	13 (17.11)
TC (mmol/L)	4.72 ± 0.77	4.86 ± 0.78	4.33 ± 0.59	-5.361	< 0.001
< 5.18	212 (70.67)	144 (64.29)	68 (89.47)
≥ 5.18	88 (29.33)	80 (35.71)	8 (10.53)
HDL-C (mmol/L)	1.09 ± 0.19	1.08 ± 0.20	1.12 ± 0.15	1.777	0.077
< 1.04, n (%)	114 (38.00)	93 (41.52)	21 (27.63)
≥ 1.04, n (%)	186 (62.00)	131 (58.48)	55 (72.37)
LDL-C (mmol/L)	2.42 ± 0.29	2.44 ± 0.29	2.39 ± 0.30	-1.183	0.238
< 3.37, n (%)	300 (100.00)	224 (100.00)	76 (100.00)
≥ 3.37, n (%)	0 (0.00)	0 (0.00)	0 (0.00)
HbA1c (mmol/L)	7.86 ± 1.17	8.10 ± 1.16	7.14 ± 0.85	-6.596	< 0.001
< 6.5%, n (%)	37 (12.33)	17 (7.59)	20 (26.32)
6.5%-7.5%, n (%)	83 (27.66)	52 (23.21)	31 (40.79)
7.5%-8.5%, n (%)	90 (30.00)	71 (31.70)	19 (25.00)
≥ 8.5%, n (%)	90 (30.00)	84 (37.50)	6 (7.89)

BMI: Body mass index; TG: Triglyceride; TC: Total cholesterol; HDL-C: High-density lipoprotein cholesterol; LDL-C: Low-density lipoprotein cholesterol; HbA1c: Glycosylated hemoglobin.