Table 1.
Patient characteristics
| Factor | All Patients | 1st Quartile | 2nd Quartile | 3rd Quartile | 4th Quartile | P-value | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
| ||||||||||||||||
| N(%) | Mean | SD | N(%) | Mean | SD | N(%) | Mean | SD | N(%) | Mean | SD | N(%) | Mean | SD | ||
| Total | 183 | 46(25) | 46(25) | 45(25) | 46(25) | |||||||||||
| Telomere length (T/S) (range) | 183 | 1.23(0.53–1.93) | 46 | 0.86(0.53–1.17) | 46 | 1.09(0.78–1.41) | 45 | 1.33(1.04–1.67) | 46 | 1.64(1.26–1.93) | ||||||
| Age | 183 | 35 | 1.5 | 46 | 37 | 3.3 | 46 | 34 | 3 | 45 | 34 | 2.9 | 46 | 34 | 3.1 | 0.89 |
| Sex | ||||||||||||||||
| Male | 105(57) | 3.7 | 29(63) | 7.2 | 26(57) | 7.4 | 25(56) | 7.5 | 25(54) | 7.4 | 0.84 | |||||
| Female | 78(43) | 3.7 | 17(37) | 7.2 | 20(44) | 7.4 | 20(44) | 7.5 | 21(47) | 7.4 | ||||||
| Immunosuppression | ||||||||||||||||
| Horse ATG/CsA | 70(38) | 3.6 | 16(35) | 7.1 | 15(33) | 7 | 23(51) | 7.5 | 16(35) | 7.1 | 0.24 | |||||
| Horse ATG/CsA/MMF | 48(26) | 3.3 | 17(37) | 7.2 | 9(20) | 5.9 | 11(24) | 6.5 | 11(24) | 6.4 | 0.26 | |||||
| Horse ATG/CsA/Rapa | 35(19) | 2.9 | 5(11) | 4.6 | 11(24) | 6.4 | 8(18) | 5.8 | 11(24) | 6.4 | 0.33 | |||||
| Rabbit ATG/CsA | 30(16) | 2.7 | 8(17) | 5.7 | 11(24) | 6.4 | 3(7) | 3.8 | 8(17) | 5.7 | 0.16 | |||||
| Ethnicity | ||||||||||||||||
| White | 91(50) | 3.7 | 23(50) | 7.5 | 24(52) | 7.4 | 25(56) | 7.5 | 19(41) | 7.3 | 0.57 | |||||
| Black | 45(25) | 3.2 | 9(20) | 5.9 | 12(26) | 6.5 | 7(16) | 5.5 | 17(37) | 7.2 | 0.09 | |||||
| Hispanic | 35(19) | 2.9 | 11(24) | 6.4 | 7(15) | 5.4 | 8(18) | 5.8 | 9(20) | 5.9 | 0.34 | |||||
| Asian | 12(7) | 1.8 | 3(7) | 3.7 | 3(7) | 3.7 | 5(11) | 4.7 | 1(2) | 2.2 | 0.40 | |||||
| Blood counts (/−L) | ||||||||||||||||
| ARC | 20464 | 1371 | 24352 | 2820 | 22181 | 3265 | 20158 | 2474 | 15159 | 2177 | 0.12 | |||||
| ALC | 1312 | 48 | 1328 | 121 | 1285 | 92 | 1322 | 71 | 1313 | 96 | 0.89 | |||||
| ANC | 363 | 22 | 456 | 46 | 382 | 48 | 346 | 35 | 266 | 39 | 0.02 | |||||
| ANC < 200 | 67(37) | 3.6 | 11(24) | 6.4 | 17(37) | 7.2 | 16(36) | 7.2 | 23(50) | 7.5 | 0.08 | |||||
| Platelet | 10852 | 1423 | 9304 | 923 | 9848 | 886 | 14911 | 5519 | 9435 | 1157 | 0.67 | |||||
Telomere length is depicted by the quartiles. ATG, anti-thymocyte globulin; CsA, cyclosporine; MMF, mycophenolate mofetil; Rapa, sirolimus; ARC, absolute reticulocyte count; ALC, absolute lymphocyte count; ANC, absolute neutrophil count; SD, standard deviation;. P-values were based on the F-statistics for comparing all four quartiles. Log-transformed ARC, ALC, ANC and platelet count were used for the analysis of variance models.