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Table 1 Statistics describing the relationships shown in Fig. 1. Models were fitted using both OLS and PGLS regressions

From: Evolutionary transitions in body plan and reproductive mode alter maintenance metabolism in squamates

Model

N

Slope (±SE)

r 2

λ (95%CI)

AIC

ln likelihood

F 1, 194

P-value

tSMR vs body mass

 OLS

196

0.85 (0.02)**

0.91

 

316.2

−153.5

1407.97

<  0.001

 

196

0.76 (0.02)**

0.88

0

314.6

−151.3

1408.00

<  0.001

 PGLS

196

0.85 (0.03)**

0.86

0.61 (0.51/0.91)

308.8

−148.4a

1113.50

<  0.001

 

196

0.87 (0.03)**

0.79

1

312.9

−150.5

716.21

<  0.001

mSMR vs temperature

 OLS

196

−0.42 (0.08)**

0.41

 

311.8

−150.9

21.97

<  0.001

 

196

−0.47 (0.08)**

0.24

0

309.8

−148.9

61.57

<  0.001

 PGLS

196

−0.45 (0.09)**

0.16

0.51 (0.39/0.87)

293.8

−140.9a

23.09

<  0.001

 

196

−0.38 (0.10)**

0.17

1

312.7

−150.4

14.97

<  0.001

  1. CI confidence interval
  2. a the PGLS model is significantly better than the OLS model (likelihood ratio test)
  3. ** P <  0.0001