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. 2019 Dec 20;12(1):33–39. doi: 10.4103/picr.PICR_30_19

Table 2.

Number of triggers observed per patient and their association with adverse drug reactions

Number of triggers detected Number of patients (n=400), n (%) Patients without adverse events (n=327), n (%) Patients with adverse events (n=63), n (%) Yield of total (%) P
0 73 (18.25) 73 (18.25) 0 (0) 0 -
1 36 (9) 29 (7.25) 7 (1.75) 19.4 0.1697
2 79 (19.75) 75 (18.75) 4 (1) 5.06 0.0001*
3 51 (12.75) 45 (11.25) 6 (1.5) 11.75 0.0184
4 65 (16.25) 48 (12) 17 (4.25) 26.15 0.1262
5 38 (9.5) 30 (7.5) 8 (2) 21.05 0.1005
6 23 (5.75) 15 (3.75) 8 (2) 34.78 0.6827
7 13 (3.25) 9 (2.25) 4 (1) 30.76 1.00
8 14 (3.5) 8 (2) 6 (1.5) 42.85 1.37
9 8 (2) 5 (1.25) 3 (0.75) 37.5 0.6212

Statistical significance was determined by Chi-square test. P<0.05 was considered statistically significant. *P<0.05 as compared between patients without adverse events and patients with adverse events