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. 2021 Mar 9;16(3):e0248105. doi: 10.1371/journal.pone.0248105

Table 1. Total number of patients who were registered with each diagnostic code for congenital upper limb anomalies (CULA) in South Korea from 2007 to 2016.

Diagnostic code Number of patients Incidence per 10,000 live births (95% CI)
Total 10,704 23.52 (23.08–23.97)
Polydactyly 5,264 11.57 (11.26–11.89)
Q690. Accessory finger(s) 1,545 3.40 (3.23–3.57)
Q691. Accessory thumb(s) 2,424 5.33 (5.12–5.54)
Q699. Polydactyly unspecified* 2,495 5.48 (5.27–5.70)
Syndactyly 1,405 3.09 (2.93–3.25)
Q700. Fused fingers 352 0.77 (0.69–0.86)
Q701. Webbed fingers 236 0.52 (0.45–0.59)
Q704. Polysyndactyly* 435 0.96 (0.87–1.05)
Q709. Syndactyly, unspecified* 613 1.35 (1.24–1.46)
Limb deficiency 490 1.08 (0.98–1.18)
Q710. Congenital complete absence of upper limb(s) 6 0.01 (0.00–0.03)
Q711. Congenital absence of upper arm and forearm with hand present 10 0.02 (0.01–0.04)
Q712. Congenital absence of both forearm and hand 8 0.02 (0.01–0.03)
Q713. Congenital absence of hand and finger(s) 251 0.55 (0.49–0.62)
Q714. Longitudinal reduction defect of radius 40 0.09 (0.06–0.12)
Q715. Longitudinal reduction defect of ulna 5 0.01 (0.00–0.03)
Q716. Lobster–claw hand 23 0.05 (0.03–0.08)
Q718. Other reduction defects of upper limb(s) 118 0.26 (0.21–0.31)
Q719. Reduction defect of upper limb, unspecified 45 0.10 (0.07–0.13)
Q730. Congenital absence of unspecified limb(s)* 16 0.04 (0.02–0.06)
Q731. Phocomelia, unspecified limb(s)* 7 0.02 (0.01–0.03)
Q738. Other reduction of unspecified limb(s)* 9 0.02 (0.01–0.04)
Other anomalies 4,507 9.91 (9.62–10.20)
Q681. Congenital deformity of hand 1,741 3.83 (3.65–4.01)
Q688. Other specified congenital musculoskeletal deformities of U/E 1,592 3.50 (3.33–3.68)
Q740. Other congenital malformations of upper limb(s), including shoulder girdle 980 2.15 (2.02–2.29)
Q743. Arthrogryposis multiplex congenita* 121 0.27 (0.22–0.32)
Q748. Other specified congenital malformations of limb(s)* 114 0.25 (0.21–0.30)
Q749. Unspecified congenital malformation of limb(s)* 160 0.35 (0.30–0.41)