Fig. 1From: Low serum secretory immunoglobulin A level and sense of coherence score at an early gestational stage as indicators for subsequent threatened premature birthAssociation between the sense of coherence (SOC) score in the first half of pregnancy and the course of pregnancy. Values are given as percentages, and values in parenthesis are the actual number. Asterisk indicates significance as calculated by the χ2-test. Open bar Non-threatened premature birth, stippled bar threatened premature birthBack to article page