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Table 1 Correlation between the specific growth rate, SGR, and the logarithm of tumour volume in groups of patients diagnosed with the same type of tumour

From: Analysis of inter-patient variations in tumour growth rate

Tumour type

Reference

n

R2

p (1-tailed)

Median time interval (days)

Median time interval/DTe

Average SGR (%/d)

Relative uncertainty of SGR (%)

DTe (days)

Relative uncertainty of volume estimation (%)

Meningioma

Nakamura et al.[29]

41

0.2424

0.0005

1230

0.71

0.04

105

1733

37

Hepatocellular carcinoma

Nakajima et al.[27]

34

0.038

NS (0.13)

128

2.4

1.30

73

53

86

 

Saito et al.[28]

21

0.0623

NS (0.14)

146

1.05

0.50

47

139

24

 

Taouli et al.[26]

16

0.0014

NS (0.89)

NA

NA

0.90

115

77

NA

Pancreatic carcinoma

Furukawa et al.[25]

9

0.0248

NS (0.34)

295

2.13

0.50

58

139

60

Primary Lung Cancer

Wang et al.[24]

12

0.1619

NS (0.19)

365

4.21

0.80

36

87

74

 

El Sharouni et al.[23]

18

0.2713

0.026

48

1.94

2.80

73

25

69

 

REGROWTH

         
  1. n: number of tumours.
  2. R: correlation coefficient. Median time interval is calculated from measurement time intervals between the first and the second tumour volume measurements. NA: not available. NS: not statistically significant (p-values in parentheses). DTe: equivalent doubling time. DTe and uncertainty calculations were done according to previously published methods[7]. Regrowth in the last row means that the calculation has been done for regrowth of tumours after induction chemotherapy.