TABLE 7. Patient characteristics by treatment group.

Characteristics

Prophylactic doxycyclyne
(n=827)

Placebo
(n=828)

Lost to follow-up
(n=158)

p value*

Age (y)

25.5**

25.3

25.6

0.51

Education (y)

9.5

9.7

9.2

0.02

Live Births

2.5

2.3

2.4

0.03

Spontaneous abortions

0.2

0.2

0.2

0.78

Coital frequency/week

2.4

2.4

2.5

0.48

* One-way analysis of variance on the three groups.

** Mean values

Source: Sinei et al. (20).

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Edited by Aldo Campana,