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Case Control Study
©The Author(s) 2025.
World J Crit Care Med. Dec 9, 2025; 14(4): 108652
Published online Dec 9, 2025. doi: 10.5492/wjccm.v14.i4.108652
Table 3 Primary and secondary outcomes in the two groups, n (%)
Outcomes
Noninvasive ventilation group (n = 197)
Invasive mechanical ventilation group (n = 122)
P value
ICU stay (days), (mean ± SD)5 ± 3.259 ± 2.6< 0.05a
Mortality11.16% (22/197)33.6% (41/122) < 0.01a
Avg ICU cost (₹)83902476216
Hospital length of stay (days), (mean ± SD)12.5 ± 3.2513.25 ± 4.5> 0.05
Need for intubation33 (16.75)122 (100)
Need for tracheostomy3 (1.5)14 (11.4)


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