Table 4 RSI score ad Pepsin level among patient included in this study cohort,
|  | All patient | Mildly ill (N = 116, 55.2%) | moderately ill(N = 67, 31.9%) | severely ill(N = 27,12.9%) | P value |
|---|---|---|---|---|---|
RSI Score | |||||
 0–13 | 133 (63.3%) | 82 (70.7%) | 41 (61.2%) | 10 (37.0%) | P = 0.004 |
 > 13 | 77 (36.6%) | 34 (29.3%) | 26 (38.8%) | 17 (62.9%) | |
 Mean + SD | 13.4 ± 9.9 | 12.97 ± 8.9 | 18.72 ± 13 | 19.23 ± 9.4 | P = 0.0005 |
 range | 0–44 | 0–39 | 0–44 | 5–39 |  |
Pepsin level | |||||
 Mean + SD | 69.4 ± 26.9 | 54.4± 27.5 | 81.2± 22.0 | 75.8± 25.3 | P < 0.0001) |
 Range | 25–104 | 0-105 | 7-104 | 17–104 |  |
 Below median 76ng/ml (N)% | 108 (51.4%) | 79 (68.0%) | 18 (26.8%) | 10 (37.0%) | < 0.0001 |
 Above median 76ng/ml, (N)% | 102 (48.5%) | 37 (31.8%) | 49 (73.0%) | 17 (62.9%) | |