Table 3—

Long-term outcome after intrapleural injection treatment

Groupp-value
Free-flowingStreptokinaseSaline
Subjects n202222
Area of effusion shadowing %
 On discharge8.5±10.312.7±9.819.9±10.0**,#0.002
 At 12 months0.3±0.60.6±1.94.2±6.8*,#0.009
Lateral effusion thickness mm
 On discharge48.0±44.872.7±34.193.2±28.6***,#<0.001
 At 12 months3.6±7.24.7±11.319.2±15.9***,##<0.001
RPT of >10 mm n (%)2 (10)2 (9)10 (45)*,#0.003
FVC % pred
 On discharge75.8±5.173.7±4.970.0±5.0**,#0.002
 At 12 months79.8±0.379.7±1.078.0±3.3*,#0.012
  • Data are presented as mean±sd, unless otherwise indicated. RPT: residual pleural thickening; FVC: forced vital capacity; % pred: % predicted.: on posteroanterior chest radiography. *: p<0.05, **: p<0.01 and ***: p<0.001 versus free-flowing group; #: p<0.05 and ##: p<0.01 versus streptokinase group.