Table 1 Demographic characteristics of the polytherapy group and monotherapy group

Age (M(P₂₅, P₇₅)) (years)

47 (36, 57)

60 (47.5, 62)

0.06 (z = −1.875)

Female (%)

4 (27%)

7 (37%)

0.715

BMI (Mean ± SD) (weight (kg)/height (m)²)

24.6 ± 0.8

27.0 ± 1.2

0.139

NUSS score (M (P₂₅, P₇₅))

44 (39, 52)

32 (29, 43)

0.019 (z = −2.347)^*

High-energy trauma cases (%)

10 (67%)

5 (26%)

0.036^*

Fracture type (0: I: II: IIIA: IIIB: IIIC)^a

5:2:3:3:2:0

13:1:3:1:1:0

0.066 (z = −2.001)

Fixation (Intramedullary nail: plate: conservative)

7:5:3

7:12:0

0.891 (z = −0.155)

Isolated fracture (%)

11 (73%)

15 (79%)

1.000

Smoking status (%)

5 (33%)

3 (16%)

0.417

Hypertension (%)

0 (0%)

1 (5%)

1.000

Diabetes mellitus (%)

2 (13%)

1 (5%)

0.571

Hypercholesterolaemia (%)

0 (0%)

2 (11%)

0.492

Respiratory disease (%)

2 (13%)

4 (21%)

0.672

Congestive heart failure (%)

2 (13%)

3 (16%)

1.000

Coronary artery disease (%)

2 (13%)

2 (11%)

1.000

Prior cerebrovascular event (%)

0 (0%)

1 (5%)

1.000

Liver disease (%)

0 (0%)

0 (0%)

NA^b

Cancer history in other systems (%)

2 (13%)

0 (0%)

0.187

Peripheral vascular disease (%)

0 (0%)

1 (5%)

1.000