Table 2 Descriptive statistics for the four groups for analysis
From: Methylation age acceleration does not predict mortality in schizophrenia
SCZ-died | SCZ-alive | Control-died | Control-alive | |
---|---|---|---|---|
N | 126 | 63 | 127 | 62 |
Males, N (%) | 76 (60.3) | 38 (60.3) | 71 (55.9) | 40 (63.5) |
Age at sampling, years | 58 (53, 61) | 56 (51, 60) | 68 (61, 74) | 57.5 (51, 61) |
Age at death, years | 62.3 (56.3, 65) | N/A | 71.2 (65.4, 78.4) | N/A |
Follow-up timea | 3.95 (2.9, 5.5) | 6(5, 6) | 4.1 (2.8, 5.4) | 5(5, 6) |
Inpatient hospitalizationsb | 13.5 (7.3, 24) | 13 (7, 25.5) | 0 | 0 |
Outpatient hospitalizationsb | 9.5 (5, 16.8) | 12(5, 19) | 0 | 0 |
Antipsychotic prescriptions | 140 (40.5, 247) | 205 (90.5, 341) | 0 | 0 |
Smoking score | 6.2 (1.1, 9.6) | 2.3 (−1.8, 7.1) | −0.74 (−3.5, 3.4) | −2.3 (−4.6, 0.2) |
Hannum | ||||
mAge | 53.7 (49.8, 56.7) | 51.2 (48.4, 56.1) | 60.7 (55.3, 65.9) | 51.7 (49.1, 56.7) |
mAge acceleration | −0.17 (−2.5, 2.1) | −0.40 (−2.3, 1.1) | 0.04 (−2.2, 2.2) | 0.20 (−2.8, 2.5) |
Horvath | ||||
mAge | 57.1 (52.6, 61.5) | 55.2 (51.9, 58.6) | 64.6 (58.5, 69.9) | 57.2 (53.4, 60.8) |
mAge acceleration | 0.31 (−3.2, 2.9) | −0.27 (−2.9, 1.5) | −0.35 (−2.8, 2.5) | 0.29 (−1.9, 2.7) |
Levine | ||||
mAge | 50.6 (45.9, 55.4) | 47.8 (43.7, 53.3) | 58.9 (52.4, 64.9) | 48.2 (43.2, 52.4) |
mAge acceleration | 0.72 (−2.6, 3.6) | −0.88 (−3.4, 2.5) | 0.04 (−3.5, 3.5) | −1.5 (−4.5, 3.1) |