From: Free versus pedicled flaps for reconstruction of head and neck cancer defects: a systematic review
 | Total # of articles reporting (total = n) | # of articles reporting differences (total n) | Articles reporting differences | FF | PF | p-value |
---|---|---|---|---|---|---|
Age, mean ± SD or mean (range) | 16 B, D, H, K, L, M, N, O, P, R, T, W, X, Z, Aa, Ac (n = 1855) | 4 (n = 1067) | Goyal, 2017 | 64.0 ± 12.0 | 66.5 ± 12.9 | 0.017 |
Deganello, 2013 | 58.2 ± 6.32 | 69.6 ± 6.8 | < 0.01 | |||
Fang, 2013 | 58.0 (25–78) | 72.4 (55–80) | < 0.001 | |||
57.2 (46–72) | < 0.001 | |||||
Kroll, 1997 | 56 ± 13 | 62 ± 12 | 0.0046 | |||
Age (median) | 3 A, E, Ab (n = 601) | 1 (n = 517) | Sinha, 2017 | 65.9 (57.7–74.2) | 67.9 (60.3–76.8) | 0.037 |
Age > 50 years | 4 C, F, I, J (n = 293) | 0 |  |  |  |  |
Male | 20 A, D, C, F, E, H, I, J, K, L, M, N, O, P, R, T, W, X, Aa, Ab (n = 1609) | 2 (n = 151) | Li, 2016 | 17(70.83%) | 17(100%) | 0.043 |
Zhang X, 2014 | 66 (88%) | 31 (32.0%) | 0.018 | |||
Smoking | 5 F, K, L, T, Y (n = 300) | 0 |  | 62.0% | 61.8% | 0.985 |
Prior head and neck surgery | 4 B F X, Ab (n = 1134) | 2 (n = 902) | Goyal, 2017 | 189 (32.1%) | 122 (58.7%) | < 0.001 |
Geiger, 2016a | 14.0% | 30.9% | 0.039 | |||
Systemic diseases (CVD, HTA, DM) | 1 N (n = 56) | 1 (n = 56) | Fang, 2013 | 4 (20%) | 20 (83.33%) | < 0.001 |
3 (25%) | < 0.001 | |||||
COPD | 2 A, T (n = 587) | 0 |  |  |  |  |
DM | 3 A, L, P (n = 651) | 1 (n = 34) | Granzow, 2013 | 5 (31%) | 0 | 0.02 |
HTA | 2 F, L (n = 139) | 0 |  |  |  |  |
CAD | 3 A, L, T (n = 621) | 0 |  |  |  |  |
DLP | 1 F (n = 105) | 0 |  |  |  |  |
CHF | 1 A (n = 517) | 0 |  |  |  |  |
aFIB | 1 A (n = 517) | 1 (n = 517) | Sinha, 2017 | 7.0% | 15.0% | 0.0083 |
Alcoholism | 1 T (n = 70) | 0 |  |  |  |  |
Other cancer | 1 T (n = 70) | 0 |  |  |  |  |
ASA Class I-II, n (%) | 6 B, L, R, T, U, Y (n = 1043) | 2 (n = 877) | Goyal, 2017 | 245 (41.6%) | 56 (26.9%) | 0.001 |
de Bree, 2007 | 32 (80%) | 37 (92.5%) | 0.028 | |||
ASA Class III-IV, n (%) | 6 B, L, R, T, U, Y (n = 1043) | 2 (n = 877) | Goyal, 2017 | 343 (58.2%) | 152 (73.1%) | 0.001 |
de Bree, 2007 | 8 (20%) | 3 (8%) | 0.028 | |||
ASA mean factor (mean ± SD) | 4 A, H, R, Ac (n = 736) | 2 (n = 538) | Sinha, 2017 | 2.6 ± 0.03 | 2.8 ± 0.05 | 0.0007 |
Forner, 2016 | 2.3 | 2.4 | 0.05 |