Table 2 The results of multiple multinomial logistic regression (MMNLR) model

Age (Year)

≤ 18

1.00

1.00

1.00

1.00

>  18

1.01

(0.94–1.09)

0.78

0.90

(0.83–0.97)

0.01

1.58

)1.38–1.81)

< 0.01

0.52

(0.46–0.60)

< 0.01

Sex

Male

1.01

(0.93–1.07)

0.89

0.72

(0.67–0.78)

< 0.01

2.14

(1.85–2.46)

< 0.01

0.79

(0.69–0.90)

< 0.01

Female

1.00

1.00

1.00

1.00

Seasons

Spring

0.81

(0.73–0.90)

< 0.01

0.67

(0.60–0.75)

< 0.01

0.82

(0.69–0.97)

0.02

0.47

(0.39–0.57)

< 0.01

Summer

1.01

(0.91–1.12)

0.77

0.76

(0.69–0.84)

< 0.01

0.97

(0.83–1.15)

0.79

0.55

(0.46–0.65)

< 0.01

Autumn

1.03

(0.92–1.14)

0.55

0.86

(0.77–0.95)

0.01

0.76

(0.64–0.90)

0.01

0.70

(0.59–0.84)

< 0.01

Winter

1.00

1.00

1.00

1.00

Weekdays

Weekends

1.00

1.00

1.00

1.00

Non-weekends

1.02

(0.95–1.09)

0.58

1.01

(0.94–1.09)

0.68

0.90

(0.81–1.01)

0.09

0.91

(0.80–1.04)

0.21

Referral time

Morning

0.96

(0.86–1.07)

0.53

1.05

(0.94–1.17)

0.38

1.03

(0.86–1.23)

0.74

1.14

(0.94–1.38)

0.17

Evening

0.96

(0.90–1.03)

0.35

1.00

(0.93–1.07)

0.96

1.06

(0.94–1.18)

0.31

0.86

(0.76–0.98)

0.03

Night

1.00

1.00

1.00

1.00

History of hospitalization

Yes

0.97

(0.90–1.05)

0.52

0.99

(0.92–1.07)

0.94

0.95

(0.84–1.08)

0.49

1.02

(0.89–1.18)

0.69

No

1.00

1.00

1.00

1.00

length of stay

≤ 3

1.00

1.00

1.00

1.00

> 3

4.00

(3.69–4.35)

< 0.01

2.36

(2.17–2.58)

< 0.01

1.38

(1.20–1.59)

< 0.01

5.32

(4.66–6.07)

< 0.01

Surgery

Yes

0.98

(0.90–1.06)

0.65

1.05

(0.97–1.14)

0.21

0.95

(0.84–1.09)

0.52

1.13

(0.96–1.32)

0.13

No

1.00

1.00

1.00

1.00

The final status of patients

Discharged

0.84

(0.68–1.02)

0.09

0.89

(0.72–1.10)

0.30

0.80

(0.59–1.10)

0.19

1.22

(0.80–1.88)

0.34

Expired

0.82

(0.59–1.13)

0.24

0.77

(0.54–1.08)

0.14

0.80

(0.47–1.35)

0.42

1.41

(0.75–2.62)

0.28

Escaped

1.00

1.00

1.00

1.00