Univariate analysis for determinants of complication rate
. | EMH . | PHT . | HF . | Thrombosis . | Cholelithiasis . | Abnormal liver function . | Leg ulcers . | DM . | Hypothyroidism . | Osteoporosis . | Hypogonadism . |
---|---|---|---|---|---|---|---|---|---|---|---|
Age, y | |||||||||||
Less than 18 (n = 172) | 36 | 2.3 | 1.7 | 4.1 | 2.3 | 6.4 | 2.9 | 0 | 0.6 | 2.3 | 14 |
18-35 (n = 288) | 12.8 | 11.5 | 5.2 | 13.9 | 17 | 11.5 | 6.2 | 1.4 | 6.2 | 20.5 | 21.5 |
More than 35 (n = 124) | 20.2 | 21.8 | 5.6 | 28.2 | 37.9 | 10.5 | 18.5 | 4.8 | 11.3 | 57.3 | 12.1 |
P | < .001* | < .001* | .145 | < .001* | < .001* | .199 | < .001* | 0.005* | < .001* | < .001* | .026* |
Sex | |||||||||||
Male (n = 291) | 21 | 9.6 | 5.2 | 11 | 12.4 | 10 | 7.2 | 1 | 5.8 | 17.2 | 10.7 |
Female (n = 293) | 21.5 | 12.3 | 3.4 | 17.1 | 21.8 | 9.6 | 8.5 | 2.4 | 5.5 | 28.7 | 23.9 |
P | .873 | .303 | .299 | .035* | .002* | .868 | .555 | .206 | .842 | .001* | < .001* |
Ferritin, μg/L | |||||||||||
Less than 1000 (n = 376) | 21.8 | 9.8 | 4.5 | 10.1 | 17 | 8 | 6.1 | 2.1 | 5.1 | 18.1 | 13.3 |
1000 or more (n = 208) | 20.2 | 13 | 3.8 | 21.2 | 17.3 | 13 | 11.1 | 1 | 6.7 | 31.7 | 24.5 |
P | .059 | .245 | .700 | < .001* | .930 | .051 | .034* | .298 | .400 | < .001* | < .001* |
Hemoglobin, g/L | |||||||||||
Less than 90 (n = 282) | 21.6 | 11 | 4.6 | 19.5 | 16.7 | 11.7 | 9.6 | 1.8 | 4.6 | 24.1 | 18.1 |
90 or more (n = 302) | 20.9 | 10.9 | 4 | 8.9 | 17.5 | 7.9 | 6.3 | 1.7 | 6.6 | 21.9 | 16.6 |
P | .820 | .980 | .704 | < .001* | .777 | .127 | .141 | .913 | .293 | .516 | .625 |
Splenectomy | |||||||||||
No (n = 259) | 26.3 | 3.9 | 1.9 | 3.5 | 5.0 | 10 | 2.7 | 0.4 | 1.5 | 9.3 | 13.9 |
Yes (n = 325) | 17.2 | 16.6 | 6.2 | 22.5 | 26.8 | 9.5 | 12 | 2.8 | 8.9 | 33.8 | 20 |
P | .008* | < .001* | .012* | < .001* | < .001* | .840 | < .001* | .027* | < .001* | < .001* | .053 |
Transfusion | |||||||||||
None (n = 139) | 60.4 | 20.1 | 14.4 | 26.6 | 27.3 | 7.2 | 13.7 | 0.7 | 0 | 15.1 | 2.2 |
Occasional (n = 143) | 19.6 | 14.3 | 0 | 18.2 | 19.6 | 14.7 | 13.3 | 1.4 | 9.8 | 44.1 | 18.2 |
Regular (n = 302) | 4 | 5.3 | 1.7 | 6.3 | 11.3 | 8.6 | 2.6 | 2.3 | 6.3 | 16.6 | 23.8 |
P | < .001* | < .001* | < .001* | < .001* | < .001* | .066 | < .001* | .459 | 0.001* | < .001* | < .001* |
Hydroxyurea | |||||||||||
No (n = 382) | 23.8 | 13.9 | 3.1 | 17 | 20.9 | 9.4 | 11.5 | 2.6 | 8.4 | 34.6 | 11.5 |
Yes (n= 202) | 16.3 | 5.4 | 6.4 | 8.4 | 9.9 | 10.4 | 1 | 0 | 0.5 | 1 | 28.2 |
P | .035* | .002* | .061 | .004* | .001* | .707 | < .001* | .020* | < .001* | < .001* | < .001* |
Iron chelation | |||||||||||
No (n = 248) | 19.4 | 16.1 | 6.5 | 17.7 | 28.2 | 10.5 | 10.9 | 3.2 | 8.1 | 32.7 | 12.9 |
Yes (n = 336) | 22.6 | 7.1 | 2.7 | 11.3 | 8.9 | 9.2 | 5.7 | 0.6 | 3.9 | 15.8 | 20.5 |
P | .340 | .001* | .026* | .027* | < .001* | .613 | .020* | .015* | .030* | < .001* | .016* |
. | EMH . | PHT . | HF . | Thrombosis . | Cholelithiasis . | Abnormal liver function . | Leg ulcers . | DM . | Hypothyroidism . | Osteoporosis . | Hypogonadism . |
---|---|---|---|---|---|---|---|---|---|---|---|
Age, y | |||||||||||
Less than 18 (n = 172) | 36 | 2.3 | 1.7 | 4.1 | 2.3 | 6.4 | 2.9 | 0 | 0.6 | 2.3 | 14 |
18-35 (n = 288) | 12.8 | 11.5 | 5.2 | 13.9 | 17 | 11.5 | 6.2 | 1.4 | 6.2 | 20.5 | 21.5 |
More than 35 (n = 124) | 20.2 | 21.8 | 5.6 | 28.2 | 37.9 | 10.5 | 18.5 | 4.8 | 11.3 | 57.3 | 12.1 |
P | < .001* | < .001* | .145 | < .001* | < .001* | .199 | < .001* | 0.005* | < .001* | < .001* | .026* |
Sex | |||||||||||
Male (n = 291) | 21 | 9.6 | 5.2 | 11 | 12.4 | 10 | 7.2 | 1 | 5.8 | 17.2 | 10.7 |
Female (n = 293) | 21.5 | 12.3 | 3.4 | 17.1 | 21.8 | 9.6 | 8.5 | 2.4 | 5.5 | 28.7 | 23.9 |
P | .873 | .303 | .299 | .035* | .002* | .868 | .555 | .206 | .842 | .001* | < .001* |
Ferritin, μg/L | |||||||||||
Less than 1000 (n = 376) | 21.8 | 9.8 | 4.5 | 10.1 | 17 | 8 | 6.1 | 2.1 | 5.1 | 18.1 | 13.3 |
1000 or more (n = 208) | 20.2 | 13 | 3.8 | 21.2 | 17.3 | 13 | 11.1 | 1 | 6.7 | 31.7 | 24.5 |
P | .059 | .245 | .700 | < .001* | .930 | .051 | .034* | .298 | .400 | < .001* | < .001* |
Hemoglobin, g/L | |||||||||||
Less than 90 (n = 282) | 21.6 | 11 | 4.6 | 19.5 | 16.7 | 11.7 | 9.6 | 1.8 | 4.6 | 24.1 | 18.1 |
90 or more (n = 302) | 20.9 | 10.9 | 4 | 8.9 | 17.5 | 7.9 | 6.3 | 1.7 | 6.6 | 21.9 | 16.6 |
P | .820 | .980 | .704 | < .001* | .777 | .127 | .141 | .913 | .293 | .516 | .625 |
Splenectomy | |||||||||||
No (n = 259) | 26.3 | 3.9 | 1.9 | 3.5 | 5.0 | 10 | 2.7 | 0.4 | 1.5 | 9.3 | 13.9 |
Yes (n = 325) | 17.2 | 16.6 | 6.2 | 22.5 | 26.8 | 9.5 | 12 | 2.8 | 8.9 | 33.8 | 20 |
P | .008* | < .001* | .012* | < .001* | < .001* | .840 | < .001* | .027* | < .001* | < .001* | .053 |
Transfusion | |||||||||||
None (n = 139) | 60.4 | 20.1 | 14.4 | 26.6 | 27.3 | 7.2 | 13.7 | 0.7 | 0 | 15.1 | 2.2 |
Occasional (n = 143) | 19.6 | 14.3 | 0 | 18.2 | 19.6 | 14.7 | 13.3 | 1.4 | 9.8 | 44.1 | 18.2 |
Regular (n = 302) | 4 | 5.3 | 1.7 | 6.3 | 11.3 | 8.6 | 2.6 | 2.3 | 6.3 | 16.6 | 23.8 |
P | < .001* | < .001* | < .001* | < .001* | < .001* | .066 | < .001* | .459 | 0.001* | < .001* | < .001* |
Hydroxyurea | |||||||||||
No (n = 382) | 23.8 | 13.9 | 3.1 | 17 | 20.9 | 9.4 | 11.5 | 2.6 | 8.4 | 34.6 | 11.5 |
Yes (n= 202) | 16.3 | 5.4 | 6.4 | 8.4 | 9.9 | 10.4 | 1 | 0 | 0.5 | 1 | 28.2 |
P | .035* | .002* | .061 | .004* | .001* | .707 | < .001* | .020* | < .001* | < .001* | < .001* |
Iron chelation | |||||||||||
No (n = 248) | 19.4 | 16.1 | 6.5 | 17.7 | 28.2 | 10.5 | 10.9 | 3.2 | 8.1 | 32.7 | 12.9 |
Yes (n = 336) | 22.6 | 7.1 | 2.7 | 11.3 | 8.9 | 9.2 | 5.7 | 0.6 | 3.9 | 15.8 | 20.5 |
P | .340 | .001* | .026* | .027* | < .001* | .613 | .020* | .015* | .030* | < .001* | .016* |
All data except P values are presented as percentages. DM indicates diabetes mellitus.
Statistically significant.