Table 4 Initial class distribution concerning each critical endpoint of interest and time windows (after snapshots creation)—N is the number of snapshots in which the patient will not evolve within the considered time window since the date of the snapshot, and Y is the number of snapshots in which the patient will evolve.

From: Triclustering-based classification of longitudinal data for prognostic prediction: targeting relevant clinical endpoints in amyotrophic lateral sclerosis

 

90 days

180 days

365 days

N

Y

N

Y

N

Y

C1

3803 (96%)

176 (4%)

3315 (83%)

664 (17%)

2693 (68%)

1286 (32%)

C2

4845 (98%)

117 (2%)

4574 (92%)

388 (8%)

4193 (85%)

769 (15%)

C3

5548 (99%)

60 (1%)

5358 (96%)

250 (4%)

5031 (90%)

577 (10%)

C4

2519 (93%)

190 (7%)

2072 (76%)

637 (24%)

1513 (56%)

1196 (44%)

C5

4593 (97%)

125 (3%)

4208 (89%)

510 (11%)

3583 (76%)

1135 (24%)

  1. C1, need for NIV; C2, need for an auxiliary communication device; C3, need for PEG; C4, need for a caregiver and C5, need for a wheelchair.