Figure 3.

 Short form 36 item general health survey (SF-36) general health scores during and after pregnancy in healthy controls (A) and in patients with rheumatoid arthritis (B) and ankylosing spondylitis (C). SF-36 scores range from 0 to 100 (0 = worst score, 100 = best scores). Boxes represent the 25th and 75th centiles; horizontal lines within boxes represent the medians; vertical lines above and below boxes represent the distribution beyond the 25th to 75th centile range. †Significant difference from healthy controls at p<0.05; *significant difference from healthy controls at p<0.01; **significant difference from healthy controls at p<0.001; non-preg = non-pregnant controls, 1 trim = 1st trimester, 2 trim = 2nd trimester, 3 trim = 3rd trimester, 6 wpp = 6 weeks postpartum, 12 wpp = 12 weeks postpartum, 24 wpp = 24 weeks postpartum.