Risk of Preterm Delivery Associated with Prior Treatment of Cervical Precancerous Lesion according to the Depth of the Cone

Table 2

Cytopathological findings and surgical procedures in women with PD and term delivery.

	Term delivery; (percentage)	Spontaneous preterm delivery (percentage)	P
PAP-test
LSIL	11 (29.7)	3 (37.5)	n.s.*
HSIL	13 (35.1)	1 (12.5)
ASCUS	7 (18.9)	1 (12.5)
UNKNOWN	6 (16.3)	3 (37.5)
Histological diagnosis
CIN 1	2 (5)	1 (12.5)	n.s.*
CIN2	18 (48.6)	4 (50)
CIN 3	17 (46.4)	3 (37.5)
Surgical technique
LEEP	31 (83.8)	6 (75)	n.s.*
Cold knife	6 (16.2)	2 (25)
Mean (±SD) height of cone (cm)	1.42 (SD = 0.47)	1.82 (SD = 0.66)	0.022**

∗Chi square test (𝜒² test).
^∗∗𝑡-test.