Table 3 Certainty of evidence for the association between metabolic obesity phenotypes and overall and specific cancer risk.

From: Association of metabolic obesity phenotypes with risk of overall and site-specific cancers: a systematic review and meta-analysis of cohort studies

 

Certainty assessment

Relative risk (95% CI)

 

Outcome

No of studies

Study design

Risk of bias

Inconsistency

Indirectness

Imprecision (ratio of the upper to lower 95%CI)

Publication bias

Large magnitude of association

Other considerations

Certainty

MUNW vs. MHNW

 Overall

3

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.09 (0.90–1.33)

Moderate

 Postmenopausal BC

8

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.08 (1.03–1.14)

High

 Endometrial

4

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.12 (1.02–1.24)

High

 Colorectal

6

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.14 (1.06–1.23)

High

 Colon

5

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.12 (1.06–1.17)

High

 Rectum

3

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.13 (1.00–1.29)

Moderate

 Thyroid

4

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.06 (1.03–1.10)

High

 Pancreatic

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.35 (1.17–1.56)

High

 Kidney

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.29 (1.13–1.47)

High

 Gastric

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.11 (0.75–1.62)

Moderate

 Bladder

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.18 (1.14–1.23)

High

 Prostate

2

Cohort study

Not likely

Very serious

Not likely

Serious

Not likely

No upgrade

None

1.04 (0.85–1.27)

Very low

 Ovarian

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.05 (0.91–1.21)

Moderate

 Myeloma

2

Cohort study

Not likely

Very serious

Not likely

Serious

Downgrade

No upgrade

None

0.79 (0.45–1.41)

Very low

 Liver

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.33 (1.05–1.69)

High

 Gallbladder

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.23 (0.92–1.64)

Moderate

 Obesity-related cancer

3

Cohort study

Not likely

Serious

Not likely

Serious

Not likely

No upgrade

None

1.11 (1.00–1.24)

Moderate

 Premenopausal BC

1

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

0.89 (0.48–1.65)

 

MHOW/OB vs. MHNW

 Overall

3

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.10 (0.90–1.34)

Moderate

 Postmenopausal BC

7

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.19 (1.12–1.26)

Moderate

 Endometrial

4

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.71 (1.58–1.85)

High

 Colorectal

6

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.08 (1.00–1.17)

Moderate

 Colon

3

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.16 (0.93–1.46)

Moderate

 Rectum

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.02 (0.93–1.11)

Moderate

 Thyroid

4

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.27 (1.18–1.37)

High

 Pancreatic

3

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.17 (1.10–1.37)

Moderate

 Kidney

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.35 (1.23–1.49)

High

 Gastric

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.14 (0.80–1.61)

Moderate

 Bladder

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.07 (1.02–1.12)

High

 Prostate

2

Cohort study

Not likely

Very serious

Not likely

Serious

Not likely

No upgrade

None

1.02 (0.88–1.19)

Very low

 Ovarian

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.12 (0.99–1.25)

Moderate

 Myeloma

2

Cohort study

Not likely

Serious

Not likely

Serious

Not likely

No upgrade

None

1.15 (0.90–1.48)

Low

 Liver

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.25 (1.04–1.51)

High

 Gallbladder

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.48 (1.19–1.85)

High

 Obesity-related cancer

3

Cohort study

Not likely

Serious

Not likely

Not likely

Downgrade

No upgrade

None

1.17 (1.09–1.26)

Low

 Premenopausal BC

1

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

0.94 (0.67–1.32)

 

MUOW/OB vs. MHNW

 Overall

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.21 (1.02–1.44)

High

 Postmenopausal BC

7

Cohort study

Not likely

Very serious

Not likely

Not likely

Not likely

No upgrade

None

1.32 (1.17–1.48)

Low

 Endometrial

4

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

Upgrade (strong association)

None

2.31 (2.08–2.57)

High

 Colorectal

6

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.24 (1.16–1.31)

Moderate

 Colon

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.35 (1.27–1.43)

High

 Rectum

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.18 (1.10–1.27)

High

 Thyroid

4

Cohort study

Not likely

Not likely

Not likely

Not likely

Downgrade

No upgrade

None

1.42 (1.29–1.57)

Moderate

 Pancreatic

3

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.35 (1.24–1.47)

High

 Kidney

3

Cohort study

Not likely

Very serious

Not likely

Not likely

Not likely

No upgrade

None

1.71 (1.40–2.1)

Low

 Gastric

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.50 (1.12–2.01)

High

 Bladder

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.36 (1.19–1.56)

High

 Prostate

2

Cohort study

Not likely

Very serious

Not likely

Serious

Not likely

No upgrade

None

1.05 (0.74–1.48)

Very low

 Ovarian

2

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

1.08 (0.97–1.20)

Moderate

 Myeloma

2

Cohort study

Not likely

Serious

Not likely

Serious

Not likely

No upgrade

None

1.06 (0.85–1.31)

Low

 Liver

2

Cohort study

Not likely

Serious

Not likely

Not likely

Not likely

No upgrade

None

1.81 (1.36–2.42)

Moderate

 Gallbladder

2

Cohort study

Not likely

Not likely

Not likely

Not likely

Not likely

No upgrade

None

1.42 (1.17–1.73)

High

 Obesity-related cancer

3

Cohort study

Not likely

Very serious

Not likely

Not likely

Downgrade

No upgrade

None

1.42 (1.15–1.74)

Very low

 Premenopausal BC

1

Cohort study

Not likely

Not likely

Not likely

Serious

Not likely

No upgrade

None

0.71 (0.52–0.97)

 
  1. BC breast cancer, CI confidence interval, MHNW metabolically healthy normal weight, MHOW/OB metabolically healthy overweight or obese, MUNW metabolically unhealthy normal weight, MUOW/OB metabolically unhealthy overweight or obese.