From: Effects of certain pre-analytical factors on the performance of plasma phospho-tau217
Plasma p-tau217 | CSF p-Tau217 R (p-value, adjusted/unadjusted) |
---|---|
All (n = 100) | |
Cond 1: thaw at RT, NC | 0.614 (< 0.001/ < 0.001) |
Cond 2: thaw at RT, C | 0.713 (< 0.001/ < 0.001) |
Cond 3: thaw on ice, NC | 0.666 (< 0.001/ < 0.001) |
Cond 4: thaw on ice, C | 0.717 (< 0.001/ < 0.001) |
Aβ+ (n = 50) | |
Cond 1: thaw at RT, NC | 0.506 (< 0.001/ < 0.001) |
Cond 2: thaw at RT, C | 0.579 (< 0.001/ < 0.001) |
Cond 3: thaw on ice, NC | 0.511 (< 0.001/ < 0.001) |
Cond 4: thaw on ice, C | 0.550 (< 0.001/ < 0.001) |
Aβ− (n = 50) | |
Cond 1: thaw at RT, NC | 0.190 (0.202/0.186) |
Cond 2: thaw at RT, C | 0.394 (0.007/0.005) |
Cond 3: thaw on ice, NC | 0.184 (0.202/0.202) |
Cond 4: thaw on ice, C | 0.334 (0.022/0.018) |