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Table 1 Characteristics of AF patients and ablation patients. Norway, 2008-2017

From: Socioeconomic and geographic differences in ablation of atrial fibrillation in Norway - a national cohort study

 

Atrial fibrillation

Ablation (% proportion with ablation)

 

Female

Male

Total

Female

Male

Total

Number of patients

29 233

59 301

88 534

2 759 (9.4%)

7 966 (13.4%)

10 725 (12.1%)

Age at diagnosis, mean [SD]

64.6 [9.9]

63.0 [9.8]

63.6 [9.8]

59.1 [10.6]

57.7 [10.0]

58.0 [10.2]

Age at exit †, mean [SD]

68.1 [10.4]

66.7 [10.3]

67.1 [10.4]

61.1 [11.1]

59.5 [10.2]

59.9 [10.5]

Years to exit †, mean [SD]

3.5 [2.7]

3.6 [2.8]

3.6 [2.8]

1.9 [2.1]

1.9 [2.1]

1.9 [2.1)

Age group ‡

25-49

2 041

4 458

6 499

430 (21.1%)

1 283 (28.8%)

1 713 (26.4%)

50-59

2 879

7 867

10 746

550 (19.1%)

2 204 (28.0%)

2 754 (25.6%)

60-69

7 651

18 359

26 010

1 143 (14.9%)

3 224 (17.6%)

4 367 (16.8%)

70-80

16 662

28 617

45 279

636 (3.8%)

1 255 (4.4%)

1 891 (4.2%)

Education ‡

Low

8 580

13 232

21 812

563 (6.6%)

1 142 (8.6%)

1 705 (7.8%)

Medium

13 643

29 122

42 765

1 313 (9.6%)

3 705 (12.7%)

5 018 (11.7%)

High

7 010

16 947

23 957

883 (12.6%)

3 119 (18.4%)

4 002 (16.7%)

Income ‡

Low

14 315

10 861

25 176

1 004 (7.0%)

745 (6.9%)

1 749 (6.9%)

Medium

12 156

31 108

43 264

1 339 (11.0%)

3 506 (11.3%)

4 845 (11.2%)

High

2 762

17 332

20 094

416 (15.1%)

3 715 (21.4%)

4 131 (20.6%)

Hospital referral area (HT) ‡∗

Finnmark (N)

326

847

1 173

15 (4.6%)

68 (8.0%)

83 (7.1%)

UNN (N) ±

977

2 183

3 160

55 (5.6%)

239 (10.9%)

294 (9.3%)

Nordland (N)

765

1 714

2 479

36 (4.7%)

178 (10.4%)

214 (8.6%)

Helgeland (N)

528

1 086

1 614

45 (8.5%)

112 (10.3%)

157 (9.7%)

Nord-Trøndelag (C)

732

1 555

2 287

66 (9.0%)

214 (13.8%)

280 (12.2%)

St. Olavs (C) ±

1 390

3 188

4 578

211 (15.2%)

707 (22.2%)

918 (20.1%)

Møre-Romsdal (C)

1 254

2 809

4 063

158 (12.6%)

425 (15.1%)

583 (14.3%)

Førde (W)

590

1 350

1 940

48 (8.1%)

140 (10.4%)

188 (9.7%)

Bergen (W) ±

1 959

4 472

6 431

223 (11.4%)

744 (16.6%)

967 (15.0%)

Fonna (W)

924

2 098

3 022

115 (12.4%)

335 (16.0%)

450 (14.9%)

Stavanger (W)

3 326

5 180

8 506

198 (6.0%)

526 (10.2%)

724 (8.5%)

Østfold (SE)

1 689

3 391

5 080

144 (8.5%)

417 (12.3%)

561 (11.0%)

Akershus (SE) ∓

2 808

5 253

8 061

257 (9.2%)

673 (12.8%)

930 (11.5%)

OUS (SE) ±

1 224

2 597

3 821

131 (10.7%)

398 (15.3%)

529 (13.8%)

Lovisenberg (SE)

368

775

1 143

45 (12.2%)

106 (13.7%)

151 (13.2%)

Diakonhjemmet (SE)

613

1 378

1 991

70 (11.4%)

231 (16.8%)

301 (15.1%)

Innlandet (SE)

2 497

4 992

7 489

179 (7.2%)

487 (9.8%)

666 (8.9%)

Vestre Viken (SE)

2 884

5 714

8 598

334 (11.6%)

825 (14.4%)

1 159 (13.5%)

Vestfold (SE)

1 567

2 975

4 542

139 (8.9%)

358 (12.0%)

497 (10.9%)

Telemark (SE)

1 103

2 302

3 405

125 (11.3%)

343 (14.9%)

468 (13.7%)

Sørlandet (SE)

1 709

3 442

5 151

165 (9.7%)

440 (12.8%)

605 (11.7%)

  1. †Exit is ablation, death, emigration or end of study period. For ablation patients the exit is ablation. ‡ At the time of exit. ∗ The four regional health authorities: N North, C Central, W West and SE South-East. ± Hospital trust (HT) with ablation centre. ∓ Location of private ablation centre