Stage of disease No. of patients tested No (%) of patients with positive results in each indicated test G GM Mn Total (Positive in any of G, GM, MN test) Early (1–7 days) 15 3 (20.0) 1 (6.7) 0.00 (0) 20.003 Middle (8–14 days) 28 14.28 (4) 7.14 (2) 3.57 (1) 14.284 Late (≥15 days) 138 18.11 (25) 7.97 (11) 1.45 (2) 25.3 (35) G GM Mn Total Age (years) No. of patients % (No) % (No) % (No) % (No) 20–49 25 24 (6) 0.00 (0) 4.00 (1) 24.00 (6) 50–64 57 12.28 (7) 8.77 (5) 1.75 (1) 21.05 (12) ≥65 99 19.19 (19) 9.09 (9) 1.01 (1) 24.24 (24)