Table 3 Multivariable Cox survival analysis for the ESRD-CI and CCI

Unadjusted

≤1

2

311

(ref)

1.74 [1.22 to 2.50]

Unadjusted

1

2

311

---

(ref)

3

1.39 [0.94 to 2.07]

3

1.84 [1.17 to 2.90]

4

2.32 [1.62 to 3.32]

4

1.83 [1.23 to 2.72]

5

2.37 [1.60 to 3.52]

5

2.31 [1.54 to 3.47]

≥6

2.64 [1.91 to 3.65]

≥6

2.91 [2.04 to 4.15]

Model 1^a

≤1

2

311

(ref)

1.60 [1.12 to 2.30]

Model 1^a

1

2

311

---

(ref)

3

1.19 [0.80 to 1.76]

3

1.64 [1.04 to 2.59]

4

2.00 [1.40 to 2.86]

4

1.66 [1.12 to 2.47]

5

1.97 [1.32 to 2.93]

5

2.12 [1.41 to 3.18]

≥6

2.12 [1.52 to 2.93]

≥6

2.44 [1.71 to 3.49]

Model 2^b

≤1

2

311

(ref)

1.62 [1.13 to 2.33]

Model 2^b

1

2

311

---

(ref)

3

1.21 [0.81 to 1.80]

3

1.66 [1.05 to 2.63]

4

2.02 [1.41 to 2.90]

4

1.69 [1.14 to 2.52]

5

1.99 [1.33 to 2.96]

5

2.13 [1.42 to 3.21]

≥6

2.11 [1.52 to 2.93]

≥6

2.47 [1.73 to 3.53]

Model 3^c

≤1

2

311

(ref)

1.60 [1.11 to 2.30]

Model 3^c

1

2

311

---

(ref)

3

1.21 [0.80 to 1.81]

3

1.64 [1.03 to 2.59]

4

2.02 [1.40 to 2.93]

4

1.86 [1.23 to 2.81]

5

1.91 [1.27 to 2.90]

5

2.29 [1.48 to 3.54]

≥6

2.09 [1.49 to 2.93]

≥6

2.75 [1.86 to 4.08]

Model 4^d

≤1

2

311

(ref)

1.57 [1.09 to 2.27]

Model 4^d

1

2

311

---

(ref)

3

1.20 [0.80 to 1.80]

3

1.63 [1.03 to 2.59]

4

1.97 [1.36 to 2.87]

4

1.83 [1.21 to 2.77]

5

1.86 [1.23 to 2.81]

5

2.24 [1.44 to 3.47]

≥6

2.06 [1.46 to 2.89]

6

2.70 [1.81 to 4.02]

Model 5^e

≤1

2

309

(ref)

1.63 [1.12 to 2.36]

Model 5^e

1

2

309

---

(ref)

3

1.28 [0.84 to 1.91]

3

1.76 [1.10 to 2.82]

4

1.95 [1.34 to 2.85]

4

1.86 [1.22 to 2.83]

5

1.89 [1.25 to 2.86]

5

2.38 [1.53 to 3.72]

≥6

1.99 [1.41 to 2.81]

≥6

2.71 [1.81 to 4.06]