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Table 2 Surgical specialties and number of surgical interventions performed during period 1 (pre-pandemic period, March–June 2019), period 2 (first wave of the COVID-19 pandemic in Sweden, March–June 2020), and period 3 (1 year into the pandemic, March–June 2021)

From: The effect of COVID-19 pandemic on perioperative factors: data from the Swedish Perioperative Register

Surgical specialty

Period 1

n

Period 2

n

Period 3

n

Difference in percent between periods 1 and 2

Difference in percent between periods 1 and 3

D

2776

1233

1947

– 55.6

– 29.9

E

3515

1932

3063

– 45.0

– 12.9

B

1450

888

1324

– 38.8

– 8.7

N

43,227

27,682

36,096

– 36.0

– 16.5

L

11,540

7575

9685

– 34.4

– 16.1

A

8389

5666

7227

– 32.5

– 13.9

J

28,919

20,681

26,977

– 28.5

– 6.7

C

9655

7056

11,804

– 26.9

 + 22.3

K

11,382

8614

11,125

– 24.3

– 2.3

H

4504

3485

4458

– 22.6

– 1.0

F

5453

4482

4956

– 17.8

– 9.1

Pa

6587

5505

2558

– 16.4

NA

Q

7259

6089

7041

– 16.1

– 3.0

M

8914

9042

9506

 + 1.4

 + 6.6

G

1257

1518

1503

 + 20.1

 + 19.6

Va

0

0

4014

NA

NA

  1. Surgical specialties are ordered in descending order based on the largest drop in the number of surgical interventions between pre-pandemic period 1 and the first wave of the COVID-19 pandemic (period 2)
  2. Categorized according to the classification of the National Board of Health and Welfare in Sweden based on functional–anatomic body systems: A = nervous system, B = endocrine system, C = eye and adjacent structures, D = ear, nose, and larynx, E = teeth, jaws, mouth, and pharynx, F = heart and major thoracic vessels, G = chest wall, pleura, mediastinum, diaphragm, trachea, bronchus, and lung, H = mammary gland, J = digestive system and spleen, K = Urinary system, male genital organs, and retroperitoneal space, L = female genital organs, M = obstetric procedures, N = musculoskeletal system, P = peripheral vessels and lymphatic system (Va from 2021), Q = skin
  3. Unspecified procedures and unspecified region in the body categorized as missing n = 4424. Anesthetic procedures such as inserting central venous catheter or intravenous cannula are not included n = 3250