Figure 1. Relationship between medical orders and the number of abnormal vital signs.

Frequency of ordering selected medications and tests (y axis) in ARI patients with normal vital signs (white bar), or who have an increasing number of abnormal vital signs (one (light grey bar), two (dark grey bar) or three (black bar). For each vital sign, “abnormal” was defined as follows: temperature ≥38°C, respiratory rate ≥22 breath per minute, heart rate ≥100 beats per minute.