Table 3.

Performance of Morphogo system to classify BM nucleated cells.

Class of Cells	Number of Cells	Sensitivity (%)	Specificity (%)	PPV (%)	NPV (%)	Accuracy (%)
Myeloblast	6663	65.65	98.83	49.75	99.39	98.26
Promyelocyte	6261	87.88	96.97	32.40	99.79	96.82
Neutrophilic myelocyte	22,030	73.74	99.50	89.93	98.42	98.03
Neutrophilic metamyelocyte	22,154	85.92	99.78	95.93	99.15	98.98
Band neutrophil	35,968	98.48	99.66	96.73	99.84	99.55
Segmented neutrophil	49,027	98.99	99.81	98.71	99.85	99.71
Eosinophilic myelocyte	862	97.56	99.93	76.87	99.99	99.93
Eosinophilic metamyelocyte	1766	99.77	99.85	75.43	100.00	99.85
Band eosinophil	1247	99.52	99.92	79.70	100.00	99.92
Segmented eosinophil	2141	98.74	99.96	92.84	99.99	99.95
Basophil	973	79.45	99.96	83.93	99.95	99.91
Proerythroblast	236	81.36	99.96	54.70	99.99	99.95
Early erythroblast	2949	86.64	99.84	80.55	99.90	99.74
Intermediate erythroblast	18,278	95.04	99.87	97.37	99.75	99.64
Late erythroblast	40,030	98.01	98.96	91.58	99.77	98.86
Lymphoblast	2626	59.41	99.58	49.46	99.72	99.31
Prolymphocyte	7589	65.44	98.02	39.86	99.30	97.37
Mature lymphocyte	52,295	85.01	97.21	82.70	97.64	95.55
Monoblast	1786	59.35	99.77	54.39	99.81	99.58
Promonocyte	3016	8.99	99.84	30.45	99.29	99.13
Monocyte	7717	82.32	99.94	96.43	99.64	99.58
Plasmablast	1429	100.00	99.98	93.77	100.00	99.98
Immature plasma	2637	37.05	99.91	74.64	99.57	99.48
Plasma cell	4166	94.74	99.94	94.45	99.94	99.88
Others	91,361	84.62	99.92	99.69	95.43	96.29

Sensitivity = TP/(TP + FN) * 100%; Specificity = TN/(TN + FP) * 100%; PPV = TP/(TP + FP) * 100%.

NPV = TN/(FN + TN) * 100%; Accuracy = (TP + TN)/(TP + FP + TN + FN) *100%.

TP true positive, TN true negative, FP false positive, FN false negative.