It isn’t clear—that’s a good point and would suggest that the upper bound might actually be higher than it appears at first glance. If we take 10% of infections being hospital based (which might not be accurate as that statistic is from South Korea and the above paper is in China outside Hubei) then 16% of the outside-the-home transmission might be hospital based.
I should say that only 284 of the 468 transmission events are included in either household and non-household. I don’t know what the other 40% of cases were but I guess the researchers weren’t able to identify the relationship from the public data that they were using. It does appear that this undefined 40% has a lower serial interval than either of the two defined groupings as the serial interval of all cases together is lower 3.96 [3.53, 4.39].
Do you know if outside-the-home includes hospital transmission? That could skew things severely.
It isn’t clear—that’s a good point and would suggest that the upper bound might actually be higher than it appears at first glance. If we take 10% of infections being hospital based (which might not be accurate as that statistic is from South Korea and the above paper is in China outside Hubei) then 16% of the outside-the-home transmission might be hospital based.
I should say that only 284 of the 468 transmission events are included in either household and non-household. I don’t know what the other 40% of cases were but I guess the researchers weren’t able to identify the relationship from the public data that they were using. It does appear that this undefined 40% has a lower serial interval than either of the two defined groupings as the serial interval of all cases together is lower 3.96 [3.53, 4.39].