Table 1.

Table showing serial serum immunoglobulin levels. Ig-Immunoglobulin.

Follow-up from commencement of levofloxacin prophylaxis (months)	0	3	6	9	12	18	24	30
Serum IgA (normal range 0.87–4.74 g/L)	0.02	0.04	0.06	0.05	0.06	0.04	0.04	0.05
Serum IgG (normal range 6.81–16.48 g/L)	7.77	10.00	10.75	10.11	10.23	10.71	11.11	11.00
Serum IgM (normal range 0.48–3.12 g/L)	0.50	0.49	0.56	0.61	0.63	0.71	0.88	0.92