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Table 3 T1 and T2 mapping parameters in healthy Chinese adults by sex

From: Reference ranges of myocardial T1 and T2 mapping in healthy Chinese adults: a multicenter 3T cardiovascular magnetic resonance study

 

Total (n = 1015)

Male (n = 515)

Female (n = 500)

P value

T1 value (ms)

Base

1195.5 ± 35.8 (1123.9–1267.1)

1180.3 ± 32.4 (1115.5–1245.2)

1211.1 ± 32.2 (1146.7–1275.6)

< 0.001

Middle

1186.5 ± 39.0 (1108.5–1264.5)

1169.4 ± 34.6 (1100.2–1238.6)

1204.1 ± 35.3 (1133.5–1274.6)

< 0.001

Apex

1201.5 ± 46.2 (1109.1–1293.8)

1180.0 ± 42.2 (1095.6–1264.3)

1225.0 ± 38.2 (1148.5–1301.4)

< 0.001

Global

1193.2 ± 34.1 (1124.9–1261.5)

1176.0 ± 29.9 (1116.3–1235.7)

1210.9 ± 28.8 (1153.2–1268.6)

< 0.001

Septum

1201.9 ± 42.2 (1117.6–1286.3)

1185.5 ± 39.5 (1106.4–1264.5)

1218.9 ± 37.9 (1143.2–1294.6)

< 0.001

T2 value (ms)

Base

35.7 ± 2.6 (30.5–40.9)

35.0 ± 2.5 (30.0–40.0)

36.4 ± 2.5 (31.4–41.4)

< 0.001

Middle

35.9 ± 2.7 (30.4–41.3)

35.1 ± 2.7 (29.7–40.5)

36.7 ± 2.5 (31.6–41.7)

< 0.001

Apex

36.5 ± 3.1 (30.4–42.6)

35.8 ± 3.1 (29.7–41.9)

37.2 ± 2.9 (31.4–43.0)

< 0.001

Global

35.9 ± 2.5 (30.9–41.0)

35.2 ± 2.5 (30.2–40.2)

36.7 ± 2.3 (32.0–41.4)

< 0.001

Septum

36.3 ± 3.0 (30.3–42.3)

35.6 ± 3.0 (29.6–41.6)

37.0 ± 2.8 (31.5–42.6)

< 0.001

  1. Data are presented as means ± SD (lower/upper limits). Lower/upper limits calculated as mean ± 2 SD. P-value is for t-test between sexes