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Clinical characteristics for de novo acute myeloid leukemia with normal karyotype (AML-NK) patients stratified by the level of BCL2, BAX gene expression and BAX/BCL2 ratio

Parameter BCL2 BAX BAX/BCL2

Total n=51 BCL2+ n=25 BCL2− n=26 P BAX+ n=25 BAX− n=26 P BAX/BCL2high n=25 BAX/BCL2low n=26 P
Sex
  Male (%) 26 (51) 10 (38) 16 (62) 0.165 16 (62) 10 (38) 0.095 16 (62) 10 (38) 0.095
  Female (%) 25 (49) 15 (60) 10 (40) 9 (36) 16 (64) 9 (36) 16 (64)
Age* (years) 51 (23–62) 53 (27–62) 49 (23–62) 0.137 49 (27–62) 52.5 (23–62) 0.597 48 (23–62) 54 (27–62) 0.111
WBC count* (×109/L) 22 (1–349) 7 (1–184) 22.5 (2–349) 0.159 22 (1–184) 22 (0.2–349) 0.808 29 (1–349) 6 (1–184) 0.041
HB* (g/L) 99 (66–131) 103 (82–131) 98 (66–128) 97 (66–131) 105 (78–128) 98 (66–128) 103 (82–131)
  > 80 (g/L) 45 (88) 25 (56) 20 (44) 0.023 22 (49) 23 (51) 1.000 19 (53) 26 (47)
  < 80 (g/L) 6 (12) 0 6 (100) 3 (50) 3 (50) 0 6 (100) 0.010
Plts* (×109/L) 55 (8–422) 60 (8–422) 53.5 (8–169) 0.528 55 (17–169) 54.5 (8–422) 0.497 52 (8–169) 60 (8–422) 0.685
LDH *(U/L) 321 (1–2904) 175 (153–1992) 590.5 (1–2904) 0.010 386 (153–1992) 306.5 (1–2904) 0.816 605 (1–2904) 75 (153–1992) 0.002
PB blast* (%) 14 (0–98) 15 (0–98) 11 (0–97) 0.737 11 (0–92) 16 (0–98) 0.623 11 (0–97) 15 (0–98) 0.865
BM blasts* (%) 62 (30–97) 57 (30–90) 66.5 (32–90) 0.531 63 (30–97) 61 (31–90) 0.756 70 (30–90) 57 (31–97) 0.341
CD34 (%) 0.095 0.404 0.050
  present 24 (47) 15 (63) 9 (38) 10 (42) 14 (58) 8 (33) 16 (67)
  absent 27 (53) 10 (37) 17 (363) 15 (56) 12 (44) 17 (63) 10 (37)
FAB (%) 0.006 0.239 0.002
  M0 4 (8) 4 (100) 0 1 (25) 3 (75) 0 4 (100)
  M1 5 (10) 4 (80) 1 (20) 3 (60) 2 (40) 1 (20) 4 (80)
  M2 18 (35) 10 (56) 8 (44) 7 (39) 11 (62) 6 (33) 12 (67)
  M4 17 (33) 3 (18) 14 (82) 8 (47) 9 (53) 14 (82) 3 (18)
  M5 7 (14) 4 (57) 3 (43) 6 (86) 1 (14) 4 (57) 3 (43)
CR (%) 0.404 0.264 0.577
  success 28(55) 12 (43) 16 (57) 16 (57) 12 (43) 15 (54) 13 (46)
  failure 23(45) 13 (57) 10 (43) 9 (39) 14 (61) 10 (43) 13 (57)
Resistance (%) 0.024 0.703 0.044
  yes 8 (16) 7 (88) 1 (12) 3 (38) 5 (62) 1 (13) 7 (87)
  no 43 (84) 18 (42) 25 (58) 22 (51) 21 (49) 24 (56) 19 (44)
Relapse (%) 1.000 0.047 0.137
  yes 17 (61) 7 (41) 10 (59) 7 (41) 10 (59) 7 (41) 10 (59)
  no 11 (39) 5 (45) 6 (55) 9 (82) 2 (18) 8 (73) 3 (27)
FLT3-ITD mutations (%) 0.324 1.000 0.199
  present 12 (24) 4 (33) 8 (67) 6 (50) 6(50) 8 (67) 4 (33)
  absent 39 (76) 21 (54) 18 (46) 19 (49) 20 (51) 17 (44) 22 (56)
NPM1 mutations (%) 0.237 0.144 0.144
  present 17 (33) 6 (35) 11 (65) 11 (65) 6 (35) 11 (65) 6 (35)
  absent 34 (67) 19 (56) 15 (44) 14 (41) 20 (59) 14 (41) 20 (59)

Clinical characteristics for de novo acute myeloid leukemia with normal karyotype (AML-NK) patients stratified by the level of MDR1 gene expression

Parameter Total n=51 MDR1+ n=26 MDR1 n=25 P
Sex 0.051
  Male (%) 26 (51) 17 (65) 9 (35)
  Female (%) 25 (49) 9 (36) 16 (64)
Age* (years) 51 (23–62) 53 (23–62) 49 (23–62) 0.396
WBC count* (×109/L) 22 (1–349) 7 (1–184) 26 (0–349) 0.071
Hemoglobin* (g/L) 99 (66–131) 106 (78–124) 96 (66–131) 0.191
  > 80 (g/L) 45 (88) 24 (53) 21 (47)
  < 80 (g/L) 6 (12) 1 (17) 5 (83)
Platelets* (×109/L) 55 (8–422) 42 (8–422) 69.5 (16–169) 0.129
LDH *(U/L) 321 (1–2904) 175 (1–2904) 553.5 (175–1992) 0.028
PB blast* (%) 14 (0–98) 14 (0–98) 13.5 (0–87) 0.900
BM blasts* (%) 62 (30–97) 57 (30–90) 65 (33–97) 0.565
CD34 (%) 0.025
  present 24 (47) 16 (67) 8 (33)
  absent 27 (53) 9 (33) 18 (67)
FAB (%) <0.001
  M0 4 (8) 4 (100) 0
  M1 5 (10) 5 (100) 0
  M2 18 (35) 11 (61) 7 (39)
  M4 17 (33) 3 (18) 14 (82)
  M5 7 (14) 2 (29) 5 (71)
Complete remission (%) 0.781
  success 28(55) 13 (46) 15 (54)
  failure 23(45) 12 (52) 11 (48)
Resistance (%) 1.000
  yes 8 (16) 4 (50) 4 (50)
  no 43 (84) 21 (49) 22 (51)
Relapse (%) 0.460
  yes 17 (61) 9 (53) 8 (47)
  no 11 (39) 4 (36) 7 (64)
FLT3-ITD mutations (%) 0.019
  present 12 (24) 2 (17) 10 (83)
  absent 39 (76) 23 (59) 16 (41)
NPM1 mutations (%) 0.075
  present 17 (33) 5 (29) 12 (71)
  absent 34 (67) 20 (59) 14 (41)
BCL2+ 25 (49) 20 (80) 5 (20) <0.001
BCL2 26 (51) 5 (24) 21 (76)
BAX/BCL2high 25(49) 5 (20) 20 (80)
BAX/BCL2low 26 (51) 20 (77) 6 (23) <0.001
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Language:
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Journal Subjects:
Medicine, Clinical Medicine, Internal Medicine, Haematology, Oncology, Radiology