Table 4.

Viral load distribution by patient subgroup and age group.

Patient subgroup	Number	Viral load (Log10 RNA copies/mL)
		Range	Mean ± SD (IQR)
SARS H1N1	49	3.63–9.16	6.94 ± 1.36 (7.93–5.98)
	< 0.5	10	4.71–8.53	7.00 ± 1.25 (7.78–6.12)
	0.5–< 1	13	3.63–8.36	6.71 ± 1.41 (7.75–5.67)
	1–< 2	9	5.85–8.98	7.75 ± 1.01 (8.60–7.09)
	2–< 5	8	4.84–8.25	6.87 ± 1.23 (7.85–5.66)
	5–< 13	2	4.88–8.76	6.82 ± 2.74 (8.76–4.88)
	13–< 65	6	5.37–9.16	6.66 ± 1.39 (7.81–5.64)
	≥ 5	1	4.25	‒
PC	61	3.74–10.0	7.32 ± 1.70 (8.87–6.18)
	< 0.5	30	4.18–9.62	7.83 ± 1.48 (9.02–6.85)
	0.5–< 1	15	3.74–10.04	7.37 ± 1.77 (8.98–6.53)
	1–< 2	10	4.45–9.09	6.89 ± 1.69 (8.22–5.12)
	2–< 5	3	4.28–6.75	5.79 ± 1.33 (6.75–4.28)
	5–< 13	1	6.14	‒
	13–< 65	1	3.89	‒
	≥ 65	1	4.61	‒
aHD	30	2.63–5.47	3.35 ± 0.51 (3.48–3.05)
cHD	30	2.43–9.63	4.26 ± 1.97 (4.79–3.03)
IS	69	2.73–10.2	5.46 ± 2.09 (7.28–3.52)
	IS‒BMT	53	3.12–10.5	5.62 ± 2.05 (7.45–3.69)
	IS‒KT	2	7.27–8.06	7.67 ± 0.56 (8.06–7.27)
	IS‒LT	1	9.25	‒
	IS‒HIV	13	2.73–7.62	4.16 ± 1.59 (4.77–3.17)

SARS H1N1, suspected of having severe acute respiratory syndrome caused by Influenza A (H1N1)pdm09 virus; PC, primary care; aHD, adults with heart disease; cHD, children with heart disease; IS, immunosuppressed; BMT, bone marrow transplant; KT, kidney transplant; LT, liver transplant; HIV, human immunodeficiency virus-positive; SD, standard deviation. IQR, interquartile range.