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Table 2 Analysis of presenting blood counts for MPNs according to sex, race, JAK2 V617F mutation and MPN sub-types

From: The epidemiology and clinical characteristics of myeloproliferative neoplasms in Malaysia

Groups HB, g/dL HCT, % PLT, × 109/L WBC, × 109/L
Mean (sd) p-value Mean (sd) p-value Mean (sd) p-value Mean (sd) p-value
A. Ethnic groups
 Malay 14.58 (3.99) 0.350 44.96 (13.13) 0.338 716.61 (415.30) < 0.001 17.75 (13.98) 0.326
 Chinese 14.41 (3.59) 44.04 (11.57) 755.20 (444.96) 16.62 (18.09)
 Indian 15.43 (4.06) 46.45 (12.50) 503.92 (305.49) 14.01 (10.64)
 Native—Sabah 14.53 (4.73) 47.57 (14.91) 807.39 (765.28) 19.43 (13.39)
 Native—Sarawak 15.17 (2.62) 46.05 (6.67) 946.26 (515.50) 16.59 (10.18)
B. JAK2 V617F mutation
 Negative 13.63 (3.43) < 0.001 41.14 (10.36) < 0.001 732.84 (498.21) 0.923 12.92 (12.72) < 0.001
 Positive 15.17 (3.80) 46.90 (12.30) 729.58 (404.97) 17.76 (14.13)
C. Sub-types
 ET 13.08 (2.10) < 0.001 39.75 (7.24) < 0.001 1032.20 (424.77) < 0.001 13.36 (7.74) < 0.001
 PV 17.86 (3.01) 54.73 (10.32) 539.60 (299.68) 16.61 (9.70)
 PMF 9.86 (2.60) 29.88 (8.42) 350.79 (320.11) 22.37 (31.60)
 HES 12.29 (2.71) 36.41 (8.56) 296.63 (241.85) 23.75 (15.24)
 MPN-U 12.91 (3.66) 40.57 (10.95) 741.46 (446.61) 27.68 (23.46)