Table 1 Study Characteristics
From: Functional outcomes in early (T1/T2) supraglottic cancer: a systematic review
Study ID | Location | Dates of Accrual | Age Mean (range) | Â | OPS | RT | Stage |
|---|---|---|---|---|---|---|---|
Ambrosch 2018 | Italy | 2002–2012 | Medianc 62 (33–88) |  | 27 | 0 | T1 N0 (n = 8) T2 N0 (n = 19) |
Bhattacharyya 2014 | India | 2006–2009 | Medianc 59 (31–80) |  | 0 | 10 | T1 N0 (n = 1) T2 N0 (n = 9) |
Carta 2018 | Italy | 2010–2017 | Mean 61.8 (43–84) |  | 27 | 0 | T1 N0 (n = 11) T2 N0 (n = 16) |
Chiesa Estomba 2015 | Spain | 2009–2012 | Mean 64 (45–88) |  | 72 | 0 | T1 N0 (n = 44) T2 N0 (n = 28) |
Chun 2010 | South Korea | 1991–2005 | Mean 65.5 |  | 25 | 10 | T1 N0 (n = 14) T2 N0 (n = 21) |
Karatzanis 2010 | Germany | 1970–2004 | Mean 60 (36–83) |  | 78 | 0 | T1 N0 (n = 29) T2 N0 (n = 49) |
Mendenhall 1996 | USA | 1964–1992 | NR |  | 0 | 99 | T1b (n = 18) T2 (n = 81) |
Oridate 2009 | Japan | 2006–2007 | Medianc 76 (45–90) |  | NRa | 11 | T2 N0 (n = 11) |
Orus 2000 | Spain | 1984–1996 | Mean 60.5 |  | 25 | 90 | T1 N0 (n = 38) T2 N0 (n = 77) |
Spriano 1997 | Italy | 1983–1992 | NR |  | 66 | 100 | T1 N0 (n = 112) T2 N0 (n = 54) |