highly significantP < 0.001
The other two timing factors (month and hour), age, sex, other blood work completed during the ED visit, ESI, LOS, and ED site were all highly significant ( P < 0.001).
The other two timing factors (month and hour), age, sex, other blood work completed during the ED visit, ESI, LOS, and ED site were all highly significant ( P < 0.001).
When we analyzed the data by site, the effect of day of week is marginally significant ( P = 0.03 for site 1; P = 0.02 for site 2; P = 0.003 for site 3).