Table 1 Analysis of Variance.

From: When light hurts: Comparative Morphometry of Human Brainstem in Traumatic Photalgia

Data Type

Signed Deviation Values

Absolute Deviation from Controls

Source

SS

df

MS

F

P

SS

df

MS

F

P

Brainstem region

0.91

1

0.91

8.6

0.007

0.01

1

0.01

0.09

0.767

Photalgia level

5.15

2

2.58

24.35

<0.001

0.17

2

0.8

24.35

0.460

Interaction

0.26

2

0.13

1.23

0.309

1.19

2

5.63

5.633

0.009

Error

2.75

26

0.11

  

2.75

26

0.11

  

Total

9.07

31

   

4.12

31

   
  1. SS: sums of squares; df: degrees of freedom; MS: mean squares; F: Fisher analysis of variance statistic;
  2. P: probability of null hypothesis.
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