Table 2 Immunisation and acute exacerbation in relation to severity of COPD

23-valent Pneumococcal^a

866 (68.14 %)

628 (71.12 %)

185 (78.39 %)

83 (74.77 %)

1762 (70.45 %)

2009

influenza vaccine^a

880 (69.24 %)

636 (72.03 %)

183 (77.54 %)

87 (78.38 %)

1786 (71.41 %)

Exacerbation (treatment during next 3y or hospital admission)^a

1048 (82.45 %)

726 (82.22 %)

209 (88.56 %)

97 (87.39 %)

2080 (83.17 %)