Table 3 Vital signs, laboratory test, operative methods, ED treatment and hospital outcomes for matched group

0.91

 1

1 (0.5)

3 (0.5)

 2

24 (13.0)

66 (11.8)

 3

153 (83.2)

464 (83.0)

 4

6 (3.3)

25 (4.5)

 5

0 (0)

1 (0.2)

 GCS^b

14.6 ± 0.5

15.0 ± 0.3

0.56

 Pulse Rate (times/min)

94.1 ± 19.7

90.0 ± 17.4

0.01*

 Systolic blood pressure (mmHg)

136.4 ± 27.5

136.2 ± 24.6

0.92

 Respiratory rate (times/min)

18.6 ± 1.5

18.5 ± 1.5

0.57

 Body temperature (°C)

37.0 ± 1.1

37.0 ± 0.9

0.66

 White cell count (1000/uL)

13.4 ± 5.0

13.4 ± 4.8

0.93

 Platelet (1000/uL)

216.7 ± 66.3

224.3 ± 69.7

0.21

 Prothrombin time (sec)

4.9 ± 5.0

4.8 ± 4.9

0.84

 APTT^c (sec)

30.8 ± 5.9

30.1 ± 3.1

0.48

 BUN^d (mg/dL)

14.3 ± 11.0

14.9 ± 12.3

0.76

 Creatinine (mg/dL)

1.1 ± 1.3

1.0 ± 1.0

0.59

 Na (mEq/L)

136.8 ± 3.8

137.7 ± 3.1

0.03*

 K (mEq/L)

3.8 ± 0.5

3.8 ± 0.4

0.51

 ALT^e (U/L)

28.9 ± 18.6

26.1 ± 18.1

0.17

 Sugar (mg/dL)

127.4 ± 45.8

126.0 ± 37.0

0.80

 CRP^f (mg/L)

74.7 ± 101.3

67.4 ± 83.6

0.42

0.45

 Laparotomy

60 (34.5)

209 (39.7)

 Laparoscopy

99 (56.9)

272 (51.6)

 Other

15 (8.6)

46 (8.7)

Appendiceal perforation

67 (36.4)

191 (34.2)

0.64

Unscheduled 72-hr ED revisit

33 (17.9)

58 (10.4)

0.01*

 Analgesics

102 (55.4)

293(52.4)

0.53

 Opioid analgesics

21 (20.6)

92 (31.4)

0.05

 Non-opioid analgesics

81 (79.4)

201 (68.6)

0.05

 Time to 1st order (min)

18.3 ± 11.6

18.1 ± 11.6

0.87

 Time to 1st antibiotics (min)

161.0 ± 105.7

170.3 ± 136.4

0.37

 Time to CT scan (min)

122.9 ± 137.6

126.6 ± 155.8

0.80

 Time to surgical consultation (min)

161.9 ± 177.5

138.6 ± 146.4

0.13

 Admission day

7.1 ± 6.0

6.3 ± 4.4

0.11

 ICU^h admission

4 (2.2)

10 (1.8)

0.48

 In-hospital mortality

0 (0)

0 (0)

–

 In-hospital expenditure (TWDⁱ)

51,018.1 ± 38,269.7

45,644.7 ± 35,165.2

0.08