Table 2.
Relationship between patient demographic characteristics and morphine-induced respiratory depression and pain outcomes over postoperative days 1 and 2
| Demographic VARIABLES | MIRD (N = 27) | No MIRD (N = 61) | P-value |
|---|---|---|---|
| Demographic characteristics and morphine-induced respiratory depression (MIRD) | |||
| Age (years); Mean ±SD | 14.9 ±2 | 14.5 ± 1.5 | 0.35 |
| Sex | |||
| Female (N) | 17 | 42 | 0.59 |
| Male (N) | 10 | 19 | |
| Race | |||
| Caucasian (N) | 26 | 49 | 0.06 |
| African-American (N) | 0 | 9 | |
| Others (N) | 1 | 3 | |
| Demographic variables | Mean pain score | SD | P-value |
|---|---|---|---|
| Demographic characteristics and postoperative pain scores (numerical rating scale) | |||
| Age (years) | β =0.04a | 0.62 | |
| Sex | |||
| Female (N =59) | 4.6 | 1.6 | 0.63 |
| Male (N =29) | 4.5 | 1.2 | |
| Race | |||
| Caucasian (N =75) | 4.5 | 1.5 | 0.26 |
| African-American (N =9) | 5.3 | 1.3 | |
| Others (N =4) | 4.2 | 0.6 | |
Abbreviations: N, number; s.d., standard deviation.
a
Per year of age from 10–18 years, pain score increased by 0.04 (clinically and statistically insignificant).