Table 1 Annual percent change (APC) in the prevalence of clinical characteristics among 722 068 women having a non-instrumental vaginal delivery in Portuguese public hospitals, 2000 – 2015
From: Time trends in episiotomy and severe perineal tears in Portugal: a nationwide register-based study
Clinical Characteristics | Trend 1 | Trend 2 | Trend 3 | Trend 4 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Time period | prevalence % | APC (%) [95%CI] | Time period | prevalence % | APC (%) [95%CI] | Time period | prevalence % | APC (%) [95%CI] | Time period | prevalence % | APC (%) [95%CI] | |
Primiparous women ≥ 35 years old | 2000 | 0.2 | 12.0 [10.0; 14.0] | |||||||||
2015 | 1.6 | |||||||||||
Previous caesarean section | 2000 | 1.0 | 10.7 [5.7; 16.1] | 2006 | 1.9 | -2.3 [-23.7; 25.2] | 2009 | 1.7 | 15.1 [11.0; 19.3] | |||
2006 | 1.9 | 2009 | 1.7 | 2015 | 4.1 | |||||||
Induced labour | 2000 | 14.8 | 9.1 [-4.2; 24.3] | 2002 | 17.5 | -3.0 [-9.5; 3.8] | 2006 | 15.5 | 5.0 [3.7; 6.3] | |||
2002 | 17.5 | 2006 | 15.5 | 2015 | 24.7 | |||||||
Anomalous presentation or malposition of fetus | 2000 | 0.7 | -6.7 [-10.1; -3.3] | 2010 | 0.4 | 12.0 [-1.7; 27.6] | ||||||
2010 | 0.4 | 2015 | 0.6 | |||||||||
Disproportion/obstructed labor/long labor | 2000 | 0.9 | -5.3 [-16.3; 7.2] | 2004 | 0.7 | 11.5 [7.1; 16.1] | 2013 | 2.1 | -14.7 [-40.8; 22.9] | |||
2004 | 0.7 | 2013 | 2.1 | 2015 | 1.5 | |||||||
Large for gestational age newborn | 2000 | 1.2 | 19.9 [6.4; 33.0] | 2004 | 2.1 | -6.7 [-9.2; -4.0] | ||||||
2004 | 2.1 | 2015 | 1.3 | |||||||||
Epidural analgesia | 2000 | 7.7 | 30.7 | 2005 | 29.3 | 18.0 | 2008 | 48.5 | 11.2 | 2011 | 65.8 | 2.6 |
2005 | 29.3 | [28.4; 33.0] | 2008 | 48.5 | [12.2; 24.0] | 2011 | 65.8 | [6.6; 16.0] | 2015 | 73.9 | [1.3; 4.0] | |