Complication n (%) + - p Mortality n (%) NS S p CURB-65=2 CURB-65>2 9 (4.1) 168 (78) 10 (4.6) 29 (13.3) <0.0001b 2 (0.93) 175 (81.02) 4 (1.85) 35 (16.2) 0.011b PSI=3 PSI>3 6 (2.8) 161 (74.6) 13 (6) 36 (16.6) <0.0001b 1 (0.46) 166 (76.85) 5 (2.31) 44 (20.37) 0.003b Age (years) <65 ≥65 4 (1.85) 66 (30.56) 15 (6.94) 131 (60.65) 0.268a 1 (0.46) 69 (31.94) 5 (2.31) 141 (65.28) 0.666b Gender Male Female 8 (3.7) 109 (50.46) 11 (5.09) 88 (40.74) 0.269a 3 (1.39) 114 (52.78) 3 (1.39) 96 (44.44) 1.000b Need for ICU Present Absent 9 (4.17) 12 (5.56) 10 (4.63) 185 (85.65) <0.0001b 4 (1.85) 17 (7.87) 2 (0.93) 193 (89.35) 0.001b CURB-65: Confusion, urea nitrogen, respiratory rate, blood pressure, ≥65 years, PSI: Pneumonia severity index, ICU: Intensive care unit, NS: Non-surviving, S: Surviving, a: p value was based on Chi-Square test, b: p value was based on Fisher’s Exact Test.

Table 4: The factors influencing the development of complications and mortality.