Table 3

Unadjusted ORs for 30-day mortality for day of week and time of day of presentation*

VariableIschaemic strokeHaemorrhagic strokeAMIPneumoniaCOPDCHF
Unadjusted
OR
P valuesUnadjusted
OR
P valuesUnadjusted
OR
P valuesUnadjusted
OR
P valuesUnadjusted
OR
P valuesUnadjusted
OR
P values
Day of week0.0060.2710.8790.0920.0030.813
MondayReferenceReferenceReferenceReferenceReferenceReference
Tuesday1.14 (0.95 to 1.37)0.1520.97 (0.80 to 1.19)0.7891.00 (0.86 to 1.18)0.9640.90 (0.80 to 1.00)0.0521.07 (0.93 to 1.23)0.3320.99 (0.88 to 1.12)0.927
Wednesday1.20 (1.00 to 1.44)0.0511.07 (0.88 to 1.31)0.4931.02 (0.87 to 1.20)0.7871.01 (0.90 to 1.12)0.9161.07 (0.93 to 1.23)0.3541.05 (0.93 to 1.18)0.462
Thursday1.04 (0.86 to 1.25)0.6680.87 (0.71 to 1.07)0.1941.08 (0.92 to 1.27)0.3210.97 (0.87 to 1.08)0.6001.24 (1.08 to 1.42)0.0020.99 (0.88 to 1.13)0.929
Friday1.30 (1.09 to 1.56)0.0041.00 (0.82 to 1.23)0.9691.08 (0.92 to 1.26)0.3550.95 (0.85 to 1.06)0.3461.24 (1.08 to 1.42)0.0021.04 (0.92 to 1.17)0.566
Saturday1.28 (1.07 to 1.54)0.0081.12 (0.91 to 1.38)0.2880.99 (0.84 to 1.16)0.8871.07 (0.96 to 1.20)0.2111.18 (1.02 to 1.36)0.0231.09 (0.96 to 1.24)0.195
Sunday1.35 (1.12 to 1.61)0.0011.10 (0.90 to 1.36)0.3521.02 (0.86 to 1.20)0.8431.00 (0.89 to 1.12)0.9811.01 (0.88 to 1.17)0.8661.03 (0.90 to 1.17)0.712
Time of day0.001<0.0010.9670.7500.2310.794
DayReferenceReferenceReferenceReferenceReferenceReference
Night1.22 (1.10 to 1.35)1.49 (1.33 to 1.67)1.00 (0.92 to 1.09)1.01 (0.95 to 1.07)0.95 (0.88 to 1.03)1.01 (0.94 to 1.08)
  • Hospital is included as a random effect.

  • *Day of hospital admission or associated preceding emergency department presentation.

  • AMI, acute myocardial infarction; CHF, congestive heart failure; COPD, chronic obstructive pulmonary disease.