Variable Status ED admissions
% (n) ED discharges
% (n) Re-presentation rates of
ED discharges
% (n) Univariable logistic regression
p value
Overall - 54.7 (226/413) 45.3 (187/413) 10.3 (19/184) -
Sex Female 58.5 (93/159) 41.5 (66/159) 6.2 (4/65) 0.178
Male 52.4 (133/254) 47.6 (121/254) 12.5 (15/120)
Age in years Cohort Median (Range) (Interquartile range) - 31 (18 to 91) (25 to 42.75) - 31 (18 to 85) (23 to 42.5) Re-presented vs no 31 vs 32 (18 to 76) vs (18 to 85) (25 to 51.5) vs (23 to 42) 0.407
Previous course of oral antibiotics No 55.8 (121/217) 44.2 (96/217) 9.6 (9/94) 0.713
Yes 53.8 (105/195) 46.2 (90/195) 11.2 (10/89)
Examinations None 32.4 (11/34) 67.6 (23/34) 8.7 (2/23) 0.770
Yes (any) 56.9 (214/376) 43.1 (162/376) 10.7 (17/159)
Oral exam only 55.2 (186/337) 44.8 (151/337) 10.1 (15/148) 0.830
FNE only (0/0) (0/0) (0/0) -
Oral exam & FNE 71.8 (28/39) 28.2 (11/39) 18.2 (2/11) 0.431
Swallowing fluids/medications prior to IV medications? No 63.2 (203/321) 36.8 (118/321) 11.2 (13/116) 0.609
Yes 25.0 (23/92) 75.0 (69/92) 8.8 (6/68)
Swallowing fluids/medications after IV medications? No 89.8 (97/108) 10.2 (11/108) 20 (2/10) 0.439
Yes 47.9 (127/265) 52.1 (138/265) 11.6 (16/138)
Statim IV medications None 7.5 (3/40) 92.5 (37/40) 2.9 (1/35) 0.140
Yes (any) 59.8 (223/373) 40.2 (150/373) 12.1 (18/149)
IV antibiotics only 66.7 (46/69) 33.3 (23/69) 4.3 (1/23) 0.762
IV steroids only 0 (0/3) 100 (3/3) 0 (0/3) 0.992
IV antibiotics & steroids 58.8 (177/301) 41.2 (124/301) 13.8 (17/123) 0.105
Discharge medications None - (17) 12.5 (2/16) 0.785
Yes (any) - (167) 10.3 (17/165)
Oral antibiotics only - (155) 1.4 (2/140) 0.734
Oral steroids only - (0) (0/0) -
Oral antibiotics & steroids - (12) 60.0 (15/25) 0.756
Drainage None 54.3 (51/94) 45.7 (43/94) 9.5 (4/42) 0.846
Yes (any) 54.9 (175/319) 45.1 (144/319) 10.6 (15/142)
I&D (any) 61.2 (41/67) 38.8 (26/67) 7.7 (2/26) 0.583
Needle aspiration (any) 52.8 (130/246) 47.2 (116/246) 11.4 (13/114)
I&D, no pus 75.0 (9/12) 25.0 (3/12) 0 (0/3) 0.992
I&D, Pus 58.2 (32/55) 41.8 (23/55) 8.7 (2/23) 0.912
Needle aspiration, no pus 50.9 (57/112) 49.1 (55/112) 16.4 (9/55) 0.333
Needle aspiration, Pus 54.5 (73/134) 45.5 (61/134) 6.8 (4/59) 0.616
No pus (either method) 53.2 (66/124) 46.8 (58/124) 15.5 (9/58) 0.130
Pus (either method) 55.6 (105/189) 44.4 (84/189) 7.3 (6/82)