Table 3.

Relationship between number of quality of care criteria met and 30 day mortality.

Number of quality of care criteria met	Proportion of patients who died N (%)	Crude OR (95% CI)	Adjusted OR* (95% CI) Model 1	Adjusted OR† (95% CI) Model 2
0	73/370 (19.7)	1.00 (reference)	1.00 (reference)	1.00 (reference)
1	36/362 (9.9)	0.45 (0.29 to 0.69)	0.55 (0.33 to 0.90)	0.68 (0.41 to 1.12)
2	54/811 (6.7)	0.29 (0,20 to 0.42)	0.31 (0.19 to 0.50)	0.34 (0.20 to 0.57)
3	40/812 (4.9)	0.21 (0.14 to 0.32)	0.25 (0.15 to 0.41)	0.30 (0.18 to 0.52)
4	22/819 (2.7)	0.11 (0.07 to 0.18)	0.13 (0.07 to 0.24)	0.17 (0.10 to 0.29)
5	16/510 (3.1)	0.13 (0.08 to 0.23)	0.17 (0.08 to 0.34)	0.18 (0.09 to 0.36)

Risk estimates calculated among hip fracture patients eligible for all quality of care criteria.

* Adjusted for age, gender, comorbidity and living situation.

† Adjusted for age, gender, comorbidity, living situation, type of fracture, fracture displacement status, ASA-score, delay until surgery and type of surgery.