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Table 3 Results of trait-phylogeny association of different region types on PB2

From: Quantifying predictors for the spatial diffusion of avian influenza virus in China

Regiona

Statisticsb

Observed

Null

P-value

 

meanc

mean

TR

AI

14.10 (13.13, 15.17)

22.56 (20.68, 24.42)

<0.005

PS

114.70 (112.00, 118.00)

149.31 (142.70, 156.17)

<0.005

MC (6)

East

8.89 (8.00, 11.00)

3.59 (2.63, 5.11)

0.002

North

2.00 (2.00, 2.00)

1.16 (1.00, 2.00)

0.05

Northeast

1.99 (1.90, 2.00)

1.21 (1.00, 2.00)

0.06

Northwest

1.98 (1.9, 2)

1.19 (1.00, 2.00)

0.06

SouthCentral

12.50 (12.00, 13.00)

4.00 (3.00, 6.00)

0.002

Southwest

3 (2.90, 3.00)

1.34 (1.00, 2.00)

0.006

ER

AI

12.67 (12.10, 13.17)

27.42 (24, 29.20)

<0.005

PS

103.40 (103.00, 104.10)

148.41 (148.00, 149.40)

<0.005

MC (4)

East Coast

13.95 (13.9, 14)

4.11 (3.01, 6.00)

0.001

Central

6 (5.90, 6.00)

3.1 (2.07, 4.17)

0.008

Northeast

4.27 (3.00, 7.00)

1.97 (1.25, 3.00)

0.001

Western

3.00 (3.00, 3.00)

2.37 (1.95, 3.18)

0.14

ED

AI

15.54 (14.46, 16.68)

27.42 (25.67, 29.00)

<0.005

PS

137.29 (134, 140)

192.83 (185.83, 199. 37)

<0.005

MC (7)

BER

2.00 (2.00, 2.00)

1.12 (1.00, 1.99)

0.03

PRD

4.27 (3.00, 7.00)

1.97 (1.25, 3.00)

0.001

YRD

4.05 (3.90, 4.00)

2.00 (1.25, 3.00)

0.004

Central

6.00 (6.00, 6.00)

3.1 (2.07, 4. 17)

0.008

Northeast

1.98 (1.90, 2.00)

1.2 (1.00, 2.00)

0.06

Northwest

1.98 (1.90, 2.00)

1.19 (1.00, 2.00)

0.06

Southwest

3 (2.9.00, 3.00)

2.9 (2.00, 3.00)

0.06

CAR

AI

25.70 (24.59, 26.93)

27.12 (25.52, 28, 41)

0.09

PS

185.82 (183.00, 189.00)

189.72 (183.60, 196.47)

0.22

MC (8)

East

3.00 (3.00, 3.00)

2.14 (1.39, 3)

0.09

South

3.00 (3.00, 3.00)

2.99 (2.11, 4.00)

0.5

Central

2.52 (2.00, 3.00)

2.79 (2.00, 4.00)

1

North

1.46 (1.00, 2.00)

1.86 (1.13, 3.00)

1

NorthEast

2.00 (2.00, 2.00)

1.19 (1.00, 1.98)

0.04

SouthWest

1.43 (1.00, 2.00)

1.15 (1.00, 2.00)

1

NorthWest

1.88 (1.00, 2.00)

1.08 (1.00, 1.81)

0.02

Plateau

1.85 (1.00, 2.00)

1.13 (1.00, 2.00)

0.04

  1. aregion type classification; bthe three statistics: Association Index (AI), Parsimony Score (PS) and Maximum monophyletic clade (MC) size of the area traits per region type;
  2. cthe last 3 columns correspond to posterior estimates of observed and expected values and the p value for the AI, PS and MC metrics. Lower AI and PS values represent strong phylogeny–trait association; while larger values of mean MC indicate increased phylogeny-trait association and the significance indicated by p-value (<0.05)