Table 3

‚ÄÉNumber of investigations performed

Full blood count538
Blood culture498
C-reactive protein438
Secretions, viral immunofluorescence172
Secretions, bacterial culture131
ASOT97
Mycoplasma IgM94
ESR49
BAL, viral immunofluorescence7
BAL, bacterial culture9
PCP, immunofluorescence7
No investigation121