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Table 1 Patient and disease characteristics in oral cavity cancer (OCC, N = 121)

From: IMRT in oral cavity cancer

Factors   definitive IMRT postop IMRT definitive 3D-CRT postop 3D-CRT Surgery alone N total
N   30 28 13 20 30 121
Time interval   10/02 – 1/07 11/02 – 1/07 5/96 – 2/04 04/00 – 3/03 5/96 – 8/05 5/96 – 5/06
gender (m:f)   2 : 1 2 : 1 ~2 : 1 2 : 1 4 : 1  
mean age (years)   61 61 62 60 58 ~60
T stages T1 0 4 0 2 13 19
  T2 6 8 1 5 12 32
  T3 3 1 3 1 0 8
  T4 12 8 3 10 5 38
  recurrence 9 7 6 2 0 24
N stages N0 9 7 2 6 19 43
  N1 4 4 4 6 7 25
  N2a/b 2 12 2 5 2 23
  N2c 13 4 1 1 2 21
  N3 1 0 0 0 0 1
UICC stages l 0 0 0 0 11 11
  ll 0 2 0 2 7 11
  lll 0 4 5 4 5 18
  lVA 20 15 8 14 7 64
  lVB 1 0 0 0 0 1
  recurrence 9 7 0 0 0 16
concomitant CT   21/30 24/28 3 0 0 48
mean/median FU (mo)
(range)
  16/12
(3–57)
20/19
(4–60)
30/19
(7–96)
40/41
(8–84)
58/48
(16–126)
 
  1. FU: follow up; CT: chemotherapy; mo: months