Table 4 Logistic regression for ACSC hospitalizations using the number of chronic conditions as the explanatory variable

Number of chronic conditions

<0.001

1.35

(1.34-1.35)

Age groups

 41 to 45 years

<0.001

.34

(0.32-0.35)

 46 to 50 years

<0.001

.42

(0.41-0.43)

 51 to 55 years

<0.001

.47

(0.46-0.49)

 56 to 60 years

<0.001

.56

(0.54-0.57)

 61 to 65 years

<0.001

.60

(0.59-0.61)

 66 to 70 years

<0.001

.68

(0.67-0.70)

 71 to 75 years

<0.001

.80

(0.79-0.82)

Gender

<0.001

1.23

(1.21-1.24)

Predictive accuracy of the model: 95.4 %

Omnibus tests: p < 0.001

Area under the curve: 0.762