Table 2 Demographic and anthropometric characteristics of patients used to develop the reference chart (development set) vs. patients used to examine the performance of the reference chart (test set). Values are presented as mean ± standard deviation unless otherwise reported
Development Set | Test Set | t-test (CHI2) | |
|---|---|---|---|
n = 327 (1173 obs) | n = 171 (377 obs) | p-value | |
Age (yrs) | 64.3 ± 9.4 | 64.9 ± 13.5 | 0.72 |
BMI (kg/m2) | 32.9 ± 6.6 | 31.4 ± 7.9 | 0.23 |
Sex distribution (% female) | 57.1 | 55.7 | (0.8) |