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Table 2 Results; cohort studies

From: Beyond BMI: The “Metabolically healthy obese” phenotype & its association with clinical/subclinical cardiovascular disease and all-cause mortality -- a systematic review

Study

Subjects (age , male)

Median follow-up time (yrs)

Outcome

Results

Katzmarzyk [19]

N = 19,173

10

All-cause mortality CVD mortality

MHO = All cause: 25 (3%); CVD: 12 (1%); MHNW = All-cause: 160 (2%); CVD: 38 (1%);

MHO = 1,019 (43, 100%)

  

•Unadjusted HR for MHO vs. MHNW = NR (All-cause); NR (CVD)

MHNW = 7,153 (41, 100%)

  

•AdjustedA HR for MHO vs. MHNW = 0.88 (0.57-1.36) [All-cause]; 1.59 (0.81-3.12) [CVD]

St-Pierre [17]

N = 1,824

13

Incident CVD

Total = 284 (16%); MHO = NR; MHNW = NR

MHO = 54 (NR, 100%)

  

•Unadjusted HR for MHO vs. MHNW = NR

MHNW = 512 (NR, 100%)

  

•AdjustedB HR for MHO vs. MHNW = 1.53 (0.79-3.00)

Meigs [14]

N = 2,902

11

Incident CVD

MHO = CVD: 19 (8%); MHNW = CVD: 19 (5%);

MHO = 236 (52, 51%)

  

•Unadjusted RR for MHO vs. MHNW = NR

MHNW = 981 (52, 27%)

  

• AdjustedC RR for MHO (MetS) vs. MHNW = 1.48 (0.87-2.55)[CVD]

   

•AdjustedC RR for MHO (IS) vs. MHNW = 1.42 (0.87-2.33) [CVD]

Daly [20]

N = 8,397 (60, 87%)

4

CVD mortality

MHO = NR (3%); MHNW = NR (2%)

MHO = 839 (NR,NR)

  

•Unadjusted RR for MHO vs. MHNW = 1.42 (0.76-2.63)

MHNW = NR

  

•Adjusted RR for MHO vs. MHNW = NR

Song [21]

N = 25,626

10

Incident CVD

MHO = CVD: 77 (3%); MHNW = CVD: 278 (2%)

MHO = 2,925 (54, 0%)

  

•Unadjusted RR for MHO vs. MHNW = NR

MHNW = 12,943 (54, 0%)

  

•AdjustedD RR for MHO vs. MHNW = 1.05 (0.66-1.66)

   

•AdjustedE RR for MHO vs. MHNW = 1.07 (0.68-1.70)

Kuk [13]

N = 6,011

9

All-cause mortality

Total = 292 (5%); MHO = NR; MHNW = NR

MHO = 78 (NR, NR)

  

•Unadjusted RR for MHO (MetS) vs. MHNW = NR

MHNW = 1,461 (NR, NR)

  

•AdjustedF RR for MHO (MetS) vs. MHNW = 2.80 (1.18-6.65)

   

•Unadjusted RR for MHO (IS) vs. MHNW = NR

   

•AdjustedF RR for MHO (IS) vs. MHNW = 2.58 (1.00-6.65)

Arnlov [9]

N = 1,758

30

All-cause mortality

MHO = All-cause: 18 (60%); CVD mortality: 5 (17%) MHNW = All-cause: 391 (44%); CVD mortality: 155 (17%)

MHO = 30 (50, 100%)

 

CVD mortality

•Unadjusted RR for MHO (MetS) vs. MHNW = NR

MHNW = 891 (50, 100%)

 

Incident CVD

• AdjustedG RR for MHO (MetS) vs. MHNW = 1.65 (1.03-2.66) [All-cause]; 1.20 (0.49-2.93) [CVD mortality]; 1.95 (1.14-3.34) [Incident CVD]

   

• AdjustedG RR for MHO (IS) vs. MHNW = 2.04 (1.25-3.32) [All-cause]; 1.80 (0.79-4.08) [CVD mortality]; 1.91 (1.07-3.41) [Incident CVD]

Calori [10]

N = 2,011

15

All-cause mortality

MHO = All-cause: 7 (16%); CVD: 2 (5%) MHNW = All-cause: 141 (20%); CVD: 58 (8%)

MHO = 43 (55, 28%)

 

CVD mortality

•Unadjusted HR for MHO vs. MHNW = NR

MHNW = 708 (55, 45%)

  

•AdjustedH HR for MHO vs. MHNW = 0.99 (0.46-2.11) [All-cause]; 0.73 (0.18-3.00) [CVD]

Voulgari [18]

N = 550 (60, NR)

 

Incident heart failure

MHO = 43 (9%); MHNW = 17 (16%)

MHO = 96 (NR, NR)

6

 

•Unadjusted HR for MHO vs. MHNW = 0.26 (NR)

MHNW = 109 (NR, NR)

  

•AdjustedI HR for MHO vs. MHNW = 0.41 (0.10-1.31)

Hosseinpanah [12]

N = 6,215

8

Incident CVD

MHO = 13 (3%); MHNW = 64 (4%)

MHO = 408 (45, 20%)

  

•Unadjusted HR for MHO vs. MHNW = NR

MHNW = 1,555 (45, 57%)

  

•AdjustedJ HR for MHO vs. MHNW = 1.07 (0.59-1.96)

Bobbioni Harsch [23]

N = 436

3

CCA-IMT

Male Subjects Mean CCA-IMT at Baseline: MHO = 0.63 (0.07) vs. MHNW = 0.59 (0.08) p = NS

MHO = 65 (45, 42%)

  

Mean CCA-IMT at 3 years: MHO = 0.62 (0.10) vs. MHNW = 0.60 (0.07) p = NS

MHNW = 194 (43, 23%)

  

Female Subjects Mean CCA-IMT at Baseline: MHO = 0.57 (0.06) vs. MHNW = 0.56 (0.06) p = NS

   

Mean CCA-IMT at 3 years: MHO = 0.61 (0.08) vs. MHNW = 0.58 (0.06) p < 0.05

Ogorodnikova [15]

N = 17,544

12

Incident CVD

Total = 2,439 (14%); MHO = NR; MHNW = NR

 

MHO = 1,167 (56, 32%)

  

•Unadjusted HR for MHO vs. MHNW = NR

MHNW = 4,036 (58, 33%)

  

•AdjustedK HR for MHO (using various definitions) vs. MHNW = 1.30 (1.03-1.66) [ATP III definition]; 1.17 (0.87-1.57) [ATP-III Expanded]; 1.52 (1.19-1.95) [IS definition]

Hamer [11]

N = 22,203

7

All-cause mortality

MHO = All-cause: 38 (3%); CVD: 18 (2%);

MHO = 1,160 (51.3, 53%)

 

CVD mortality

MHNW = All-cause: 777 (6%); CVD: 225 (2%)

MHNW = 12,716 (51.9, 45%)

  

•Unadjusted HR for MHO vs. MHNW = NR

   

•AdjustedL HR for MHO v. MHNW = 0.91 (0.64-1.29) [All-cause]; 1.26 (0.74-2.13) [CVD]

Bo [22]

N = 1,658

9

All-cause mortality

MHO = All-cause: 15 (21%); CVD mortality: 8 (11%); Incident CVD: NR (8%)

MHO = 72 (55, 33%)

 

CVD mortality

MHNW = All-cause: 28 (5%); CVD mortality:7 (1%);Incident CVD: NR (3%)

MHNW = 540 (54, 38%)

 

Incident CVD

•Unadjusted HR for MHO vs. MHNW = NR

   

•AdjustedM HR for MHO vs. MHNW = 1.36 (0.64-2.08) [All-cause]; 2.48(1.35-3.61) [CVD mortality]; 2.76 (1.05-7.28) [Incident CVD]

Ortega [16]

N = 43,265

14

All-cause mortality

MHO = All-cause: 52 (3%); CVD mortality: 17 (1%); Incident CVD: 30 (6%)

MHO = 1,738 (NR, 80%)

 

CVD mortality

MHNW = All-cause: 449 (3%); CVD mortality: 98 (1%); Incident CVD: 261 (4%)

MHNW = 16,002 (NR,NR)

 

Incident CVD

•Unadjusted HR for MHO(referent) vs. MHNW = NR

   

•AdjustedN HR for MHO(referent) vs. MHNW = 0.91(0.67-1.24) [All-cause]; 0.73 (0.42-1.28) [ CVD mortality]; 0.78 (0.52-1.18) [Incident CVD]

  1. AAdjusted for age, year of exam, smoking, alcohol use, possible existence of CVD, parental history or premature CVD, cardio-respiratory fitness; BAdjusted for age, smoking, and medication use at baseline; CAdjusted for age, sex, LDL, smoking; DAdjusted for age, treatment assignment, smoking, exercise, alcohol use, total calorie intake, postmenopausal hormone use, multivitamin use, parental history of myocardial infarction before 60 years, BMI; EAdjusted for age, treatment assignment, smoking, exercise, alcohol use, total calorie intake, postmenopausal hormone use, multivitamin use, parental history of myocardial infarction before 60 years, CRP; FAdjusted for age, sex, income, smoking, ethnicity, alcohol use; GAdjusted for age, smoking, and LDL; HAdjusted for age, sex; IAdjusted for age, sex, impaired glucose tolerance, dyslipidemia, hypertension, smoking, physical inactivity, left ventricular hypertrophy, and function on echocardiography; JAdjusted for age, gender, exercise, smoking, family history of premature CAD, high total cholesterol; KAdjusted for age, gender, race, smoking, education, alcohol use, and study cohort; LAdjusted for age, sex, smoking physical activity, socioeconomic group, and BMI; MAdjusted for age, sex, fiber intake, exercise, waist circumference; NAdjusted for age, sex, examination year, smoking, alcohol, parental history of CVD, fitness.