. 2022 Dec 13;308(6):1765–1773. doi: 10.1007/s00404-022-06843-3

Table 2.

Evolution of periodontal disease between two gestational periods

Variables	First trimester n (%)	Third trimester n (%)	p-value
Periodontitis	25 (17.0)	42 (28.6)	p < 0.001^a
Gingivitis	54 (36.7)	63 (42.9)	p < 0.001^a
Plaque index^c (mean, SD)	0.95 (0.89)	1.99 (0.62)	p < 0.001^b
CAL (mean, SD)	0.09 (0.41)	1.75 (1.31)	p < 0.001^a
Pocket depth (mean, SD)	1.04 (1.11)	2.25 (0.97)	p < 0.001^a

CAL Clinical attachment loss

^aMcNemar test for paired samples

^bStudent t-test for paired samples

^cUsed to assess oral hygiene