Open Access

Table 1

Total cohort demographics.

IPFF non-IPFF p-value
(n = 104) (n = 1482)
Mean age, years (SD) 84.9 (6.7) 84.5 (6.4) 0.701
Female sex, n (%) 77 (74.0) 948 (64.0) 0.038
Mean BMI, kg/m2 (SD) 23.1 (3.6) 24.3 (4.2) 0.206
ASA score, n (%) 0.796
 1 1 (0.9) 15 (1.0)
 2 33 (31.7) 534 (36.0)
 3 62 (59.6) 802 (54.1)
 4 8 (7.6) 112 (7.5)
 Missing 0 (0) 19 (1.2)
Mean CCI, n (SD) 4.9 (1.5) 4.7 (1.5) 0.878
Surgical approach 0.478
 Anterolateral 100 (96.1) 1401 (94.5)
 Posterolateral 4 (0.38) 81 (5.5)
Dorr classification, n (%) 0.165
 1 8 (7.6) 153 (10.3)
 2 49 (47.1) 521 (35.1)
 3 10 (9.6) 173 (11.6)
 Missing 37 (35.5) 635 (42.8)
Follow-up, months (SD) 39.6 (26) 50.3 (28.1) 0.009

BMI, body mass index; ASA, American Society of Anaesthesiology; CCI, Charlson comorbidity index.

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