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Table 1 Descriptive statistics of the BiDirect study presented stratified by acquisition time point (s0, s2, s4, s6). For each cohort and time point, the table includes information on the number of individuals in each cohort, sex, and age distribution

From: Cerebral MRI in a prospective cohort study on depression and atherosclerosis: the BiDirect sample, processing pipelines, and analysis tools

Session

Population

Depression

CVD

so

s2

S4

s6

so

s2

S4

s6

so

s2

S4

s6

BiDirect study populationa

911 (100%)

800 (88%)

680 (75%)

693 (76%)

999 (100%)

696 (70%)

541 (54%)

502 (50%)

347 (100%)

294 (85%)

242 (70%)

220 (63%)

 Sexb

  Male

448 (49%)

384 (48%)

329 (48%)

332 (48%)

406 (41%)

280 40%)

219 (40%)

205 (41%)

298 (86%)

252 (86%)

207 (86%)

186 (85%)

  Female

463 (51%)

416 (52%)

351 (52%)

361 (52%)

593 (59%)

416 60%)

322 (60%)

297 (59%)

49 (14%)

42 (14%)

35 (14%)

34 (15%)

 Agec (years)

52.8 ± 8.2

55.9 ± 8.1

58.6 ± 8.0

60.4 ± 8.1

49.8 ± 7.3

53.2 ± 7.3

55.9 ± 7.3

57.8 ± 7.1

55.1 ± 6.7

58.1 ± 6.6

61.3 ± 6.3

63.0 ± 6.6

  Male

52.6 ± 8.2

55.6 ± 8.2

58.3 ± 8.1

60.2 ± 8.0

49.5 ± 7.4

53.3 ± 7.3

56.5 ± 7.5

58.1 ± 7.2

55.0 ± 6.7

57.9 ± 6.6

61.2 ± 6.3

62.8 ± 6.6

  Female

53.0 ± 8.2

56.1 ± 8.1

59.0 ± 8.0

60.6 ± 8.1

50.0 ± 7.2

53.1 ± 7.3

55.6 ± 7.2

57.5 ± 7.1

55.4 ± 6.7

58.8 ± 6.3

61.8 ± 6.7

63.9 ± 6.4

With MRIa

672 (100%)

598 (89%)

474 (71%)

483 (72%)

736 (100%)

446 (61%)

324 (44%)

303 (41%)

52 (100%)

90 (173%)

77 (148%)

60 (115%)

 Sexb

  Male

322 (48%)

275 (46%)

235 (50%)

230 (48%)

301 (41%)

181 (41%)

131 (40%)

119 (39%)

41 (79%)

72 (80%)

65 (84%)

49 (82%)

  Female

350 (52%)

323 (54%)

239 (50%)

253 (52%)

435 (59%)

265 (59%)

193 (60%)

184 (61%)

11 (21%)

18 (20%)

12 (16%)

11 (18%)

 Agec (years)

52.6 ± 8.2

56.0 ± 8.2

58.8 ± 8.1

60.5 ± 8.0

49.4 ± 7.3

52.9 ± 7.3

55.7 ± 7.2

57.6 ± 7.2

56.8 ± 5.9

58.1 ± 6.7

61.6 ± 6.8

63.3 ± 6.3

  Male

52.2 ± 8.3

55.7 ± 8.2

58.2 ± 8.1

60.2 ± 8.0

48.8 ± 7.5

52.8 ± 7.4

56.2 ± 7.2

58.1 ± 7.0

56.8 ± 6.2

58.0 ± 6.9

61.3 ± 7.0

63.0 ± 6.7

  Female

53.0 ± 8.1

56.3 ± 8.2

59.4 ± 8.1

60.8 ± 8.0

49.8 ± 7.1

53.0 ± 7.3

55.4 ± 7.3

57.4 ± 7.3

56.8 ± 4.7

58.8 ± 5.7

63.0 ± 5.8

64.6 ± 4.7

With MRI plusa

  

213 (100%)

191 (90%)

  

201 (100%)

147 (73%)

    

 Sexb

  Male

  

100 (47%)

87 (46%)

  

80 (40%)

65 (44%)

    

  Female

  

113 (53%)

104 (54%)

  

121 (60%)

82 (56%)

    

 Agec (years)

  

60.4 ± 7.2

62.1 ± 7.3

  

55.4 ± 7.2

57.1 ± 6.5

    

  Male

  

59.4 ± 7.2

61.2 ± 7.3

  

56.2 ± 7.2

58.2 ± 6.7

    

  Female

  

61.2 ± 7.0

62.9 ± 7.2

  

54.8 ± 7.1

56.3 ± 6.2

    
  1. a n (% of participation at baseline)
  2. b n (% at session, cross-sectional proportion)
  3. cMean ± standard deviation