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. 2012 Dec 21;7(1):37–41. doi: 10.1007/s11832-012-0462-7

Table 1.

Papers presenting long term follow up of untreated patients with adolescent idiopathic scoliosis used in this review

Study Diagnosis Year of birtha Age at FU FU, y n (% at FU from original group) Curve size
Nilsonne 1968 IS 1885–1906 50–70 >45 102 (90 %) No radiography
Nachemson 1968 IS (59) + congenital + miscell 1900–1910 30–60 30–40 117 (90 %) No radiography. Charts: “only 12 had minor curves”
Ascani 1986 IS 1940s m 44 m 33 (15–47) 187 (45 %) 69/187 > 50°
Edgar 1987 IS (all but six had AIS) 1950–1960 m 34 m 17 (10–27) 77 (77 %) m 73°
Weinstein (1981–2003) AIS 1940s m 66 m 51 (44–61) 117 (37 %) Thoracic m 85°, thoracolumbar m 90°, lumbar m 50°, double major m76°–79°

a Calculated from information in the respective paper