Table 3.

Periodontal tissue status according to the CPI (by sextants) in pregnant women with full-term or preterm delivery.

Indicators	Preterm Birth	Full-Term Birth	t	p-Value
CPI 0	0.31 ± 0.78	1.66 ± 1.69	5.3	0.001
CPI 1	0.88 ± 0.99	1.62 ± 1.4	3.1	0.003
CPI 2	2.26 ± 0.86	2.05 ± 1.4	−0.9	0.36 *
CPI 3	1.88 ± 1.06	0.34 ± 0.8	−7.8	0.001
CPI 4	0.31 ± 0.6	0.03 ± 0.26	−2.76	0.008
CPI excluded	0.38 ± 0.5	0.28 ± 0.49	−1.06	0.29 *

* p > 0.05, a statistically non-significant difference.