Parameter

Estimate

Chi-Square

P-value

Hazard ratio

Hypertabastic

α

0.6284

5.67

0.0172

Log L

β

0.5729

23.84

<0.0001

(−199.22)

Age

−0.0739

21.11

<0.0001

0.93

Diameter

0.0155

1.54

0.2146

1.02

AIC

WRS

0.8377

8.47

0.0036

2.31

(410.44)

ER

−0.5292

4.22

0.0399

0.59

Tumor grade

BIC

Grade 2 vs. 1

0.9816

4.43

0.0353

2.67

(432.56)

Grade 3 vs. 1

1.0993

5.37

0.0205

3.00

Weibull

α

0.0296

0.96

0.3271

Log L

β

1.2589

108.16

<0.0001

(−204.28)

Age

−0.0399

6.36

0.0117

0.96

Diameter

0.0143

2.01

0.1563

1.01

AIC

WRS

0.7156

9.25

0.0023

2.05

(420.56)

ER

−0.3807

3.45

0.0633

0.68

Tumor Grade

BIC

Grade 2 vs. 1

1.0016

5.01

0.0252

2.72

(442.68)

Grade 3 vs. 1

1.1232

6.00

0.0143

3.07

Log-logistic

α

E−10

9.9E7

<0.0001

β

4.0228

12.55

0.0004

Log L

Age

−0.0961

68.96

<0.0001

0.91

(−216.84)

Diameter

0.0089

0.52

0.4708

1.01

WRS

0.6643

5.68

0.0171

1.94

AIC

ER

−0.5509

4.52

0.0335

0.58

(445.69)

Tumor Grade

BIC

Grade 2 vs. 1

0.7015

3.02

0.0822

2.02

(467.81)

Grade 3 vs. 1

0.7197

3.13

0.0768

2.05

Cox

Age

−0.0485

6.09

0.0135

0.95

Log L

Diameter

0.0201

2.56

0.1097

1.02

(−386.24)

WRS

0.8105

7.76

0.0053

2.25

AIC

ER

−0.4747

3.35

0.0672

0.62

(784.48)

Tumor Grade

BIC

Grade 2 vs. 1

1.2911

5.55

0.0185

3.63

(806.60)

Grade 3 vs. 1

1.4686

6.88

0.0087

4.34