Table 2 Annual Percent change (APC) in the prevalence of clinical characteristics among 186 931 women having an instrumental 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 | 0.7 | 13.1 [11.4; 14.8] | |||||||||
2015 | 4.1 | |||||||||||
Previous caesarean section | 2000 | 3.4 | 2.5 [0.4; 4.7] | 2009 | 4.4 | 11.3 [8.0; 14.7] | ||||||
2009 | 4.4 | 2015 | 8.5 | |||||||||
Induced labour | 2000 | 20.0 | 6.0 [-0.1; 12.6] | 2003 | 24.1 | -4.4 [-15.3; 7.8] | 2006 | 20.8 | 4.1 [3.1; 5.2] | |||
2003 | 24.1 | 2006 | 20.8 | 2015 | 31.2 | |||||||
Anomalous presentation or malposition of fetus | 2000 | 2.1 | -6.6 [-8.5; -4.6] | 2010 | 1.1 | 4.5 [-2.2; 11.7] | ||||||
2010 | 1.1 | 2015 | 1.3 | |||||||||
Disproportion/obstructed /long labor | 2000 | 36.5 | -1.1 [-3.5; 0.4] | 2007 | 33.4 | 7.6 [4.1; 11.2] | 2012 | 48.7 | 1.4 [-3.3; 6.2] | |||
2007 | 33.4 | 2012 | 48.7 | 2015 | 50.7 | |||||||
Large for gestational age newborn | 2000 | 2.1 | 4.9 [-2.6; 13.0] | 2005 | 2.8 | -6.5 [-9.2; -3.8] | ||||||
2005 | 2.8 | 2015 | 1.6 | |||||||||
Epidural analgesia | 2000 | 18.3 | 22.0 | 2004 | 41.1 | 12.2 | 2008 | 64.3 | 9.7 | 2011 | 84.2 | 0.3 |
2004 | 41.1 | [20.5; 23.5] | 2008 | 64.3 | [10.7; 13.8] | 2011 | 84.2 | [7.2; 12.2] | 2015 | 86.7 | [-0.3; 1.0] | |