Clinical Study
Risk of Preterm Delivery Associated with Prior Treatment of Cervical Precancerous Lesion according to the Depth of the Cone
Table 1
Patients’ features.
| | Term delivery (percentage) | Spontaneous preterm delivery (percentage) | P |
| Age | | | | <20 | — | — | n.s.* | 20–30 | 11 (29.7) | 4 (50) | 30–40 | 23 (62.2) | 4 (50) | >40 | 3 (8.1) | — | Ethnicity | | | | Caucasian | 34 (91.9) | 8 (100) | n.s.* | Other | 3 (8.1) | — | Socioeconomic status | | | | Upper middle class | 27 (73) | 5 (62.5) | n.s.* | Lower middle class | 4 (10.8) | 2 (25) | Other | 6 (16.2) | 1 (12.5) | Parity | | | | Nulliparous | 26 (70.3) | 8 (100) | n.s.* | Nonnulliparous | 11 (29.7) | — | Conization-to-conception interval | | | | <1 year | 19 (51.4) | 1 (12.5) | 0.04* | >1 year | 18 (48.6) | 7 (87.5) |
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Chi square test ( test).
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