Table 4

HRs in age-specific and sex-specific suPAR quartiles

	Univariate		Adjusted for age, sex and Charlson		Adjusted for age, sex, Charlson and CRP
Outcome	HR (95% CI)	p Value	HR (95% CI)	p Value	HR (95% CI)	p Value
Readmitted within 30 days
1. quartile	1	<0.0001*	1	<0.0001*	1	<0.0001*
2. quartile	1.40 (1.12 to 1.74)	0.003	1.36 (1.09 to 1.69)	0.007	1.39 (1.11 to 1.73)	0.004
3. quartile	1.64 (1.33 to 2.03)	<0.0001	1.52 (1.22 to 1.88)	0.0001	1.56 (1.25 to 1.94)	<0.0001
4. quartile	2.22 (1.81 to 2.73)	<0.0001	2.02 (1.64 to 2.49)	<0.0001	2.11 (1.70 to 2.62)	<0.0001
Readmitted within 90 days
1. quartile	1	<0.0001*	1	<0.0001*		<0.0001*
2. quartile	1.23 (1.04 to 1.46)	0.02	1.20 (1.01 to 1.42)	0.04	1.22 (1.03 to 1.45)	0.02
3. quartile	1.49 (1.27 to 1.76)	<0.0001	1.39 (1.18 to 1.65)	<0.0001	1.43 (1.21 to 1.70)	<0.0001
4. quartile	1.92 (1.63 to 2.25)	<0.0001	1.78 (1.51 to 2.10)	<0.0001	1.87 (1.58 to 2.21)	<0.0001
Died within 30 days
1. quartile	1	<0.0001*	1	<0.0001*	1	<0.0001*
2. quartile	1.52 (0.83 to 2.79)	0.17	1.33 (0.73 to 2.44)	0.35	1.20 (0.65 to 2.21)	0.57
3. quartile	2.80 (1.62 to 4.83)	0.0002	1.92 (1.11 to 3.32)	0.02	1.60 (0.92 to 2.79)	0.10
4. quartile	8.85 (5.41 to 14.47)	<0.0001	6.06 (3.69 to 9.95)	<0.0001	4.11 (2.46 to 6.85)	< 0.0001
Died within 90 days
1. quartile	1	<0.0001*	1	<0.0001*	1	<0.0001*
2. quartile	1.54 (0.98 to 2.40)	0.06	1.35 (0.86 to 2.11)	0.19	1.27 (0.81 to 1.99)	0.30
3. quartile	3.00 (2.01 to 4.47)	<0.0001	2.10 (1.41 to 3.14)	0.0003	1.88 (1.25 to 2.82)	0.002
4. quartile	8.13 (5.64 to 11.72)	<0.0001	5.83 (4.03 to 8.43)	<0.0001	4.54 (3.11 to 6.63)	<0.0001

*Degrees of freedom=3.
CRP, C reactive protein; suPAR, soluble urokinase plasminogen activator receptor.