Table 1

Progression probabilities following an episode of chlamydia infection used to calculate total cost of managing chlamydia sequelae

Chlamydia sequelaProbability of progression from untreated chlamydia infection to sequelae (direct effect, eg, CT→EP, rate 0.76%) (%)Reference
PID10Adams et al12
EP0.76Adams et al12
TFI0.998Adams et al12
CPP1.8de Vries et al,14 Norman et al,13 Novak et al,15 Postma et al,17 van Bergen et al,19 Ward et al,18 Welte et al16 13–19
Epididymitis2Adams et al12
Neonatal conjunctivitis0.74Adams et al,12 77% women assumed to give birth vaginally; pregnancy rate from Norman et al13
Neonatal pneumonia0.35Adams et al;12 pregnancy rate from Norman et al13
Low birth weight0.25Ong et al;20 pregnancy rate from Norman et al13
Postpartum endometritis0.67Ong et al;20 pregnancy rate from Norman et al13
  • CPP, chronic pelvic pain; EP, ectopic pregnancy; PID, pelvic inflammatory disease; TFI, tubal factor infertility.