Table 2

Data on patient admissions for surgery, operations and adverse outcomes (Leiden University Medical Centre, 1997–2005)

YearAdmissionsAgeWomen (%)ASA at surgery ≥3 (%)Surgical complexity ≥5 (%)Admissions with ≥1 adverse outcome
Mean (SD)n%%
1997231547.3 (20.8)48.214.630.334314.715.8
1998220346.7 (21.2)49.215.426.233215.1
1999205945.9 (21.5)46.815.327.336117.5
2000200847.6 (21.4)46.320.730.236818.317.3
2001190647.1 (21.9)49.221.231.031716.6
2002219646.0 (22.7)46.720.731.237317.0
2003217345.7 (22.8)46.322.429.941719.221.3
2004246746.0 (22.2)46.420.830.151721.0
2005258047.8 (22.2)48.416.532.260323.4
All19 90746.7 (21.9)47.518.529.9363118.2