Table 3. Averages and standard deviations observed within each strain for local and systemic disease.

Parameter	BS68	BS290	BS291	BS436	BS437	BS293	BS73
otoscopic rapidity (days)	1.417±0.515	1.833±0.408	1±0	2.167±0.408	1.667±0.816	5.5±0.577	1.167±0.408
otoscope severity	2.583±0.669	2.167±0.408	2.2±0.447	2.333±0.516	2.833±0.983	1.667±0.516	2.833±0.408
rapidity to any systemic disease (days)	1.583±0.515	4±3.95	2±0	3±1.414	2.8±0.447	2±0	3.333±2.875
rapidity to moderate or worse systemic disease (days)	2.091±0.539	3.333±0.577	2.8±0.447	3.6±0.894	4±1.414	NA	3.5±2.739
systemic severity	3.75±0.866	2.25±1.917	4±0	3.333±1.633	2.75±1.943	0.5±0	3.667±0.816

N/A: non-applicable.